Continuous-wave and Pulsed Laser Performance of Yb∶LuAG Single Crystal Fiber Enhanced Publication

{ "defaultlang": "zh", "titlegroup": { "articletitle": [ { "lang": "zh", "data": [ { "name": "text", "data": "Yb∶LuAG单晶光纤的连续及脉冲激光性能" } ] }, { "lang": "en", "data": [ { "name": "text", "data": "Continuous-wave and Pulsed Laser Performance of Yb∶LuAG Single Crystal Fiber" } ] } ] }, "contribgroup": { "author": [ { "name": [ { "lang": "zh", "surname": "马", "givenname": "晓斐", "namestyle": "eastern", "prefix": "" }, { "lang": "en", "surname": "MA", "givenname": "Xiao-fei", "namestyle": "eastern", "prefix": "" } ], "stringName": [], "aff": [ { "rid": "aff1", "text": "1" } ], "role": [ "first-author" ], "bio": [ { "lang": "zh", "text": [ "马晓斐(1997-)，女，山东泰安人，博士研究生，2019年于山东大学获得学士学位，主要从事单晶光纤光学表征和激光应用的研究。E-mail: 17853143775@163.com" ], "graphic": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777013&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777018&type=", "big": 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jian.zhang@sdu.edu.cn;", "data": [ { "name": "text", "data": "*E-mail: jian.zhang@sdu.edu.cn;" } ] } ], "bio": [ { "lang": "zh", "text": [ "张健(1983-)，男，山东潍坊人，博士，副教授，博士生导师，2014年于德国拜罗伊特大学获得博士学位，主要从事晶体结构解析、微下拉法、激光加热基座法等方法生长单晶光纤以及基于同步辐射X射线衍射技术的晶体结构与相变的研究。E-mail: jian.zhang@sdu.edu.cn" ], "graphic": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777028&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777034&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777038&type=" } ], "data": [ [ { "name": "text", "data": "张健" }, { "name": "text", "data": "(1983-)，男，山东潍坊人，博士，副教授，博士生导师，2014年于德国拜罗伊特大学获得博士学位，主要从事晶体结构解析、微下拉法、激光加热基座法等方法生长单晶光纤以及基于同步辐射X射线衍射技术的晶体结构与相变的研究。E-mail: " }, { "name": "text", "data": "jian.zhang@sdu.edu.cn" } ] ] } ], "email": "jian.zhang@sdu.edu.cn", "deceased": false }, { "name": [ { "lang": "zh", "surname": "尹", "givenname": "延如", "namestyle": "eastern", "prefix": "" }, { "lang": "en", "surname": "YIN", "givenname": "Yan-ru", "namestyle": "eastern", "prefix": "" } ], "stringName": [], "aff": [ { "rid": "aff1", "text": "1" } ], "role": [ "corresp" ], "corresp": [ { "rid": "cor2", "lang": "zh", "text": "yyr@sdu.edu.cn", "data": [ { "name": "text", "data": "yyr@sdu.edu.cn" } ] } ], "bio": [ { "lang": "zh", "text": [ "尹延如(1988-)，女，山东济南人，博士，实验师，硕士生导师，2017年于山东大学获得博士学位，主要从事人工功能晶体的生长及性能、采用提拉法、导模法开展功能晶体材料的设计与生长的研究。E-mail: yyr@sdu.edu.cn" ], "graphic": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777044&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777048&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777053&type=" } ], "data": [ [ { "name": "text", "data": "尹延如" }, { "name": "text", "data": "(1988-)，女，山东济南人，博士，实验师，硕士生导师，2017年于山东大学获得博士学位，主要从事人工功能晶体的生长及性能、采用提拉法、导模法开展功能晶体材料的设计与生长的研究。E-mail: " }, { "name": "text", "data": "yyr@sdu.edu.cn" } ] ] } ], "email": "yyr@sdu.edu.cn", "deceased": false }, { "name": [ { "lang": "zh", "surname": "张", "givenname": "百涛", "namestyle": "eastern", "prefix": "" }, { "lang": "en", "surname": "ZHANG", "givenname": "Bai-tao", "namestyle": "eastern", "prefix": "" } ], "stringName": [], "aff": [ { "rid": "aff1", "text": "1" } ], "role": [], "deceased": false }, { "name": [ { "lang": "zh", "surname": "贾", "givenname": "志泰", "namestyle": "eastern", "prefix": "" }, { "lang": "en", "surname": "JIA", "givenname": "Zhi-tai", "namestyle": "eastern", "prefix": "" } ], "stringName": [], "aff": [ { "rid": "aff1", "text": "1" } ], "role": [], "deceased": false } ], "aff": [ { "id": "aff1", "intro": [ { "lang": "zh", "label": "1", "text": "山东大学　晶体材料国家重点实验室，山东　济南　250100", "data": [ { "name": "text", "data": "山东大学　晶体材料国家重点实验室，山东　济南　250100" } ] }, { "lang": "en", "label": "1", "text": "State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China", "data": [ { "name": "text", "data": "State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China" } ] } ] } ] }, "abstracts": [ { "lang": "zh", "data": [ { "name": "p", "data": [ { "name": "text", "data": "单晶光纤是具有准一维结构的功能晶体材料，结合了体块单晶优异的物化性能和传统光纤材料比表面积大的结构优势，是一种极具潜力的激光增益介质。目前单晶光纤激光的研究主要集中于连续激光输出，关于脉冲激光性能的研究相对较少。我们采用微下拉法(μ-PD)制备的Yb∶LuAG单晶光纤(SCF)作为增益介质，获得了输出功率大于4 W、斜效率21.66%、光束质量因子" }, { "name": "italic", "data": [ { "name": "text", "data": "M" } ] }, { "name": "sup", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "接近于1的连续激光输出。在此基础上，采用MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "作为可饱和吸收体，实现了Yb∶LuAG SCF最高单脉冲能量3.39 μJ的被动调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "脉冲激光输出。该工作为Yb∶LuAG SCF在全固态高功率连续和脉冲激光器中的应用提供了参考。" } ] } ] }, { "lang": "en", "data": [ { "name": "p", "data": [ { "name": "text", "data": "Single crystal fiber is a kind of functional crystal material with quasi-one-dimensional structure, combining the excellent physical and chemical properties of bulk crystal with the structural advantages of large specific surface area of traditional optical fiber materials, which makes it a potential laser gain medium. At present, the research on single crystal fiber laser mainly focuses on continuous-wave laser output, while the research on its pulsed laser performance is relatively few. With Yb∶LuAG single crystal fiber (SCF) prepared by micro-pull-down method(μ-PD) as the gain medium, a continuous-wave laser output of more than 4 W with a slope efficiency of 21.66% was obtained. The beam quality factor " }, { "name": "italic", "data": [ { "name": "text", "data": "M" } ] }, { "name": "sup", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": " is close to 1. On this basis, the linear optical properties of saturable absorber(SA) MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": " were tested, and the nonlinear saturable absorption characteristics at 532 nm and 1 064 nm were verified. Finally, a passive " }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "-switched Yb∶LuAG single crystal fiber pulsed laser output with the highest single pulse energy of 3.39 μJ was realized. This work provides a reference for the application of Yb∶LuAG SCF in all-solid-state high-power continuous-wave and pulsed lasers." } ] } ] } ], "keyword": [ { "lang": "zh", "data": [ [ { "name": "text", "data": "单晶光纤" } ], [ { "name": "text", "data": "Yb∶LuAG" } ], [ { "name": "text", "data": "脉冲激光" } ], [ { "name": "text", "data": "MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] } ], [ { "name": "text", "data": "被动调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] } ] ] }, { "lang": "en", "data": [ [ { "name": "text", "data": "single crystal fiber" } ], [ { "name": "text", "data": "Yb∶LuAG" } ], [ { "name": "text", "data": "pulsed laser" } ], [ { "name": "text", "data": "MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] } ], [ { "name": "text", "data": "passive " }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "-switched" } ] ] } ], "highlights": [], "body": [ { "name": "sec", "data": [ { "name": "sectitle", "data": { "label": [ { "name": "text", "data": "1" } ], "title": [ { "name": "text", "data": "引言" } ], "level": "1", "id": "s1" } }, { "name": "p", "data": [ { "name": "text", "data": "单晶光纤结合了体块单晶高热导率、高激光损伤阈值、低非线性效应和玻璃光纤大长径比、散热能力强的优势，有望成为新一代全固态激光器的激光增益介质。Lu" }, { "name": "sub", "data": [ { "name": "text", "data": "3" } ] }, { "name": "text", "data": "Al" }, { "name": "sub", "data": [ { "name": "text", "data": "5" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "12" } ] }, { "name": "text", "data": " (LuAG)的熔点为2 333 K，密度为6.67 g/cm" }, { "name": "sup", "data": [ { "name": "text", "data": "3" } ] }, { "name": "text", "data": "，是一种具有优异的热光学性能、高激光损伤阈值和高热导率的石榴石结构晶体。与Y" }, { "name": "sub", "data": [ { "name": "text", "data": "3" } ] }, { "name": "text", "data": "Al" }, { "name": "sub", "data": [ { "name": "text", "data": "5" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "12" } ] }, { "name": "text", "data": "(YAG)相比，LuAG晶体的热导率受掺杂离子浓度增加的影响较小，有利于实现激光器的小型化和集成化。此外，Yb∶LuAG具有比Yb∶YAG更大的有效发射横截面积，更适合于高功率固体激光器" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "xref", "data": { "text": "9", "type": "bibr", "rid": "R9", "data": [ { "name": "text", "data": "9" } ] } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "。" } ] }, { "name": "p", "data": [ { "name": "text", "data": "单晶光纤的研究还处于发展阶段，应用主要集中于高能激光" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "xref", "data": { "text": "10", "type": "bibr", "rid": "R10", "data": [ { "name": "text", "data": "10" } ] } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "和高温传感" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "xref", "data": { "text": "11", "type": "bibr", "rid": "R11", "data": [ { "name": "text", "data": "11" } ] } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "。目前，单晶光纤激光主要针对的是连续激光和主振荡功率放大器(MOPA)，对于单晶光纤脉冲激光器的研究相对较少。脉冲激光相较于连续激光具有更高的峰值功率，主要应用于信息通信、激光加工和生物医疗等领域。调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "和锁模技术是产生脉冲激光的主要方式，其中，基于可饱和吸收体的被动调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "技术具有使用方便、无驱动装置、结构简单的优点，易于实现脉冲激光输出" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "xref", "data": { "text": "12", "type": "bibr", "rid": "R12", "data": [ { "name": "text", "data": "12" } ] } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "。MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "为二维过渡金属硫化物(TMDC)，具有较好的非线性光学(NLO)可饱和吸收性质，已被广泛应用于脉冲调制器。" } ] }, { "name": "p", "data": [ { "name": "text", "data": "本文对微下拉法(μ-PD)生长的Yb∶LuAG单晶光纤进行了连续(CW)激光实验，并利用MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "作为可饱和吸收体，实现了3.39 μJ的被动调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "脉冲激光输出。" } ] } ] }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "label": [ { "name": "text", "data": "2" } ], "title": [ { "name": "text", "data": "实验" } ], "level": "1", "id": "s2" } }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "label": [ { "name": "text", "data": "2.1" } ], "title": [ { "name": "text", "data": "样品制备" } ], "level": "2", "id": "s2a" } }, { "name": "p", "data": [ { "name": "text", "data": "实验中的Yb∶LuAG单晶光纤采用μ-PD法生长，直径1 mm和3 mm,Yb" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "离子掺杂浓度为10%和7%。对于实验中所用单晶光纤的生长及表征之前已有报道，所制备的单晶光纤长度均大于100 mm" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "xref", "data": { "text": "17", "type": "bibr", "rid": "R17", "data": [ { "name": "text", "data": "17" } ] } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "。为便于将光纤置于金属铜沉进行激光实验，截取为通光长度8 mm，端面抛光未镀膜，具体编号和参数如" }, { "name": "xref", "data": { "text": "表1", "type": "table", "rid": "T1", "data": [ { "name": "text", "data": "表1" } ] } }, { "name": "text", "data": "所示。" } ] }, { "name": "table", "data": { "id": "T1", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "表1" } ], "title": [ { "name": "text", "data": "实验所用单晶光纤(SCF)的参数" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Tab. 1" } ], "title": [ { "name": "text", "data": "Parameters of single crystal fiber(SCF) used in the experiment　" } ] } ], "note": [], "table": [ { "head": [ [ { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "编号" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "Yb" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "掺杂浓度/%" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "生长方法" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "直径/mm" } ] } ] ], "body": [ [ { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "1#" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "7" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "μ-PD" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "1" } ] } ], [ { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "2#" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "10" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "μ-PD" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "3" } ] } ], [ { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "3#" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "10" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "μ-PD" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "3" } ] } ] ], "foot": [] } ] } } ] }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "label": [ { "name": "text", "data": "2.2" } ], "title": [ { "name": "text", "data": "MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "样品表征" } ], "level": "2", "id": "s2b" } }, { "name": "p", "data": [ { "name": "text", "data": "分别使用Cary 7000分光光度计和Perkin Elmer 100 FT-IR分光光度计测量MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "样品0.2~2.5 μm范围内的紫外-可见-近红外(UV-Vis-NIR)透射光谱和1.28~10 μm 的傅里叶变换红外FTIR透射光谱。" } ] }, { "name": "p", "data": [ { "name": "italic", "data": [ { "name": "text", "data": "Z" } ] }, { "name": "text", "data": "扫描测试实验装置如" }, { "name": "xref", "data": { "text": "图1", "type": "fig", "rid": "F1", "data": [ { "name": "text", "data": "图1" } ] } }, { "name": "text", "data": "所示，包括沿光路依次设置的泵浦源、分光镜、聚焦透镜、MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "样品、第一能量计、第二能量计。分光镜将泵浦源的出射光束分为两束，第一光束透过聚焦透镜和MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "样品后照射在第一能量计上，第二光束照射在第二能量计上作为参考光束，两个能量计连接计算机进行数据采集。实验过程中，MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "样品在轨道上沿光轴方向直线移动，当MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "样品靠近焦点时光束能量密度逐渐升高，并在焦点位置达到最大，通过焦点后光束能量密度逐渐降低。入射源是闪光灯泵浦皮秒激光器(PL2251C)，选择532 nm(焦点处能量39 μJ和43 μJ)和1 064 nm波长(焦点处能量40,60,90 μJ)分别进行" }, { "name": "italic", "data": [ { "name": "text", "data": "Z" } ] }, { "name": "text", "data": "扫描测试。" } ] }, { "name": "fig", "data": { "id": "F1", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图1" } ], "title": [ { "name": "text", "data": "开孔" }, { "name": "italic", "data": [ { "name": "text", "data": "Z" } ] }, { "name": "text", "data": "扫描测试示意图" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig. 1" } ], "title": [ { "name": "text", "data": "Schematic diagram of open aperture " }, { "name": "italic", "data": [ { "name": "text", "data": "Z" } ] }, { "name": "text", "data": "-scan test" } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777059&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777069&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777064&type=" } ] } } ] }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "label": [ { "name": "text", "data": "2.3" } ], "title": [ { "name": "text", "data": "激光实验" } ], "level": "2", "id": "s2c" } }, { "name": "p", "data": [ { "name": "text", "data": "基于MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "的Yb∶LuAG单晶光纤被动调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "脉冲激光器示意图如" }, { "name": "xref", "data": { "text": "图2", "type": "fig", "rid": "F2", "data": [ { "name": "text", "data": "图2" } ] } }, { "name": "text", "data": "所示。泵浦源为940 nm光纤耦合激光二极管(LD)，芯径为200 μm，数值孔径(NA)为0.22。增益介质是仅端面抛光未镀增透膜的Yb∶LuAG单晶光纤 3# (10%," }, { "name": "italic", "data": [ { "name": "text", "data": "Φ" } ] }, { "name": "text", "data": "=3 mm)。单晶光纤安装在水冷铜块中并保持在20 ℃。聚焦耦合系统(1∶1)用于将泵浦光会聚到晶体端面。M" }, { "name": "sub", "data": [ { "name": "text", "data": "1" } ] }, { "name": "text", "data": "是输入镜，对940 nm泵浦光增透、对1 030 nm激光高反。输出耦合镜M" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "在1 010~1 100 nm处的透过率为1%、5%、10%和30%。M" }, { "name": "sub", "data": [ { "name": "text", "data": "1" } ] }, { "name": "text", "data": "和M" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "组成谐振腔。蓝宝石衬底上沉积的MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "作为被动调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "可饱和吸收体，插入谐振腔内进行脉冲激光调制。在M" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "后面放置一个1 μm以下滤光片以阻挡剩余的泵浦光。实验中，使用带有探头(Newport,919P-050-26)的功率计(Newport,1919-R)测量平均输出功率。输出光谱和脉冲分别由光谱分析仪(YOKOGAWA,AQ6370C)和数字荧光示波器(Tektronix,DPO 7104)记录，带宽为1 GHz。" } ] }, { "name": "fig", "data": { "id": "F2", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图2" } ], "title": [ { "name": "text", "data": "基于MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "的Yb∶LuAG单晶光纤(SCF)被动调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "脉冲激光器示意图" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig. 2" } ], "title": [ { "name": "text", "data": "Schematic diagram of Yb∶LuAG single crystal fiber (SCF) passively " }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "-switched pulsed laser based on MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777074&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777084&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777079&type=" } ] } }, { "name": "p", "data": [ { "name": "text", "data": "未插入可饱和吸收体即为连续激光实验装置。实验中对" }, { "name": "xref", "data": { "text": "表1", "type": "table", "rid": "T1", "data": [ { "name": "text", "data": "表1" } ] } }, { "name": "text", "data": "中1#~3# 不同掺杂浓度不同直径的单晶光纤分别进行了连续激光实验。" } ] }, { "name": "p", "data": [ { "name": "text", "data": "数据处理:实验中需测试透过晶体前后的激光功率" }, { "name": "italic", "data": [ { "name": "text", "data": "P" } ] }, { "name": "sub", "data": [ { "name": "text", "data": "p" } ] }, { "name": "text", "data": "和" }, { "name": "italic", "data": [ { "name": "text", "data": "P" } ] }, { "name": "sub", "data": [ { "name": "text", "data": "t" } ] }, { "name": "text", "data": "，借助如下公式计算得到吸收的泵浦功率。由于单晶光纤两端仅抛光未镀增透膜，所以需要考虑两次菲涅尔反射:" }, { "name": "dispformula", "data": { "label": [ { "name": "text", "data": "(1)" } ], "data": [ { "name": "math", "data": { "graphicsData": { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777088&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777092&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777097&type=" } } } ], "id": "DF1" } }, { "name": "text", "data": "菲涅尔反射率:" }, { "name": "dispformula", "data": { "label": [ { "name": "text", "data": "(2)" } ], "data": [ { "name": "math", "data": { "graphicsData": { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777102&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777108&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777113&type=" } } } ], "id": "DF2" } }, { "name": "text", "data": "吸收率:" }, { "name": "dispformula", "data": { "label": [ { "name": "text", "data": "(3)" } ], "data": [ { "name": "math", "data": { "graphicsData": { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777117&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777123&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777128&type=" } } } ], "id": "DF3" } }, { "name": "text", "data": "吸收功率:" }, { "name": "dispformula", "data": { "label": [ { "name": "text", "data": "(4)" } ], "data": [ { "name": "math", "data": { "graphicsData": { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777134&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777137&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777141&type=" } } } ], "id": "DF4" } }, { "name": "text", "data": "其中" }, { "name": "italic", "data": [ { "name": "text", "data": "n" } ] }, { "name": "text", "data": "为晶体折射率。" } ] } ] } ] }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "label": [ { "name": "text", "data": "3" } ], "title": [ { "name": "text", "data": "结果与讨论" } ], "level": "1", "id": "s3" } }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "label": [ { "name": "text", "data": "3.1" } ], "title": [ { "name": "text", "data": "CW激光实验" } ], "level": "2", "id": "s3a" } }, { "name": "p", "data": [ { "name": "text", "data": "对于μ-PD法生长的直径" }, { "name": "italic", "data": [ { "name": "text", "data": "Ф" } ] }, { "name": "text", "data": "=1 mm、7%掺杂的1# Yb∶LuAG SCF，在940 nm泵浦，水冷温度18 ℃，输出耦合镜透过率" }, { "name": "italic", "data": [ { "name": "text", "data": "T" } ] }, { "name": "text", "data": "=10%和30%时，分别获得了0.781 W和0.580 W的激光输出。" }, { "name": "xref", "data": { "text": "图3", "type": "fig", "rid": "F3", "data": [ { "name": "text", "data": "图3" } ] } }, { "name": "text", "data": "所示为输出功率和光-光转化效率分别与吸收泵浦功率的关系，激光输出结果汇总于" }, { "name": "xref", "data": { "text": "表2", "type": "table", "rid": "T2", "data": [ { "name": "text", "data": "表2" } ] } }, { "name": "text", "data": "。" } ] }, { "name": "fig", "data": { "id": "F3", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图3" } ], "title": [ { "name": "text", "data": "Yb∶LuAG SCF 1# (7%," }, { "name": "italic", "data": [ { "name": "text", "data": "Φ" } ] }, { "name": "text", "data": "=1 mm) 在940 nm泵浦下输出功率(a)、光-光转化效率(b)与吸收泵浦功率的关系(插图为相应晶体的照片)。" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig. 3" } ], "title": [ { "name": "text", "data": "The relationship between output power(a), opt.-opt.(O-O) conversion efficiency(b) and absorbed pump power of 1#(7%, " }, { "name": "italic", "data": [ { "name": "text", "data": "Φ" } ] }, { "name": "text", "data": "=1 mm) Yb∶LuAG SCF under 940 nm pump(The inset is the photograph of the corresponding crystal)." } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777144&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777155&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777148&type=" } ] } }, { "name": "table", "data": { "id": "T2", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "表2" } ], "title": [ { "name": "text", "data": "Yb∶LuAG SCF 1#的激光输出" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Tab. 2" } ], "title": [ { "name": "text", "data": "The laser output of Yb∶LuAG SCF 1#" } ] } ], "note": [], "table": [ { "head": [ [ { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "italic", "data": [ { "name": "text", "data": "T" } ] }, { "name": "text", "data": "/%" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "输出功率/W" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "斜效率/%" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "光-光转化效率/%(最高输出功率时)" } ] } ] ], "body": [ [ { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "10" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "0.781" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "6.966" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "4.22" } ] } ], [ { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "30" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "0.580" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "7.872" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "3.71" } ] } ] ], "foot": [] } ] } }, { "name": "p", "data": [ { "name": "text", "data": "对于2#直径" }, { "name": "italic", "data": [ { "name": "text", "data": "Ф" } ] }, { "name": "text", "data": "=3 mm、10%掺杂的Yb∶LuAG单晶光纤，如" }, { "name": "xref", "data": { "text": "图4", "type": "fig", "rid": "F4", "data": [ { "name": "text", "data": "图4" } ] } }, { "name": "text", "data": "内插图所示，直径波动~10.5%，起伏较大，采用940 nm泵浦进行连续激光实验。水冷温度设置为16 ℃，输出耦合镜透过率" }, { "name": "italic", "data": [ { "name": "text", "data": "T" } ] }, { "name": "text", "data": "=10%时，获得了斜效率14.01%、最大输出功率1.406 W(对应的光-光转化效率为8.562%)的激光输出。" } ] }, { "name": "fig", "data": { "id": "F4", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图4" } ], "title": [ { "name": "text", "data": "Yb∶LuAG SCF 2# (10%," }, { "name": "italic", "data": [ { "name": "text", "data": "Φ" } ] }, { "name": "text", "data": "=3 mm，直径波动~10.5%)在940 nm泵浦下输出功率、光-光转化效率与吸收泵浦功率的关系(插图为相应晶体的照片)。" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig. 4" } ], "title": [ { "name": "text", "data": "The relationship between output power, O-O conversion efficiency and absorbed pump power of 2#(10%, " }, { "name": "italic", "data": [ { "name": "text", "data": "Φ" } ] }, { "name": "text", "data": "=3 mm, diameter fluctuation ~10.5%) Yb∶LuAG SCF under 940 nm pump(The inset is the photograph of the corresponding crystal)." } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777159&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777165&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777161&type=" } ] } }, { "name": "p", "data": [ { "name": "text", "data": "如" }, { "name": "xref", "data": { "text": "图5(a)", "type": "fig", "rid": "F5", "data": [ { "name": "text", "data": "图5(a)" } ] } }, { "name": "text", "data": "所示，对于3#单晶光纤 (10%," }, { "name": "italic", "data": [ { "name": "text", "data": "Φ" } ] }, { "name": "text", "data": "=3 mm，直径波动~1%)在940 nm泵浦下进行连续激光实验。其在输出镜透过率5%、10%和30%时，均获得了" }, { "name": "text", "data": ">" }, { "name": "text", "data": "4 W的激光输出。其中，" }, { "name": "italic", "data": [ { "name": "text", "data": "T" } ] }, { "name": "text", "data": "=10%和30%的激光输出结果在此前已报道" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "xref", "data": { "text": "17", "type": "bibr", "rid": "R17", "data": [ { "name": "text", "data": "17" } ] } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "。如" }, { "name": "xref", "data": { "text": "图5(b)", "type": "fig", "rid": "F5", "data": [ { "name": "text", "data": "图5(b)" } ] } }, { "name": "text", "data": "所示，当输出镜透过率为1%和5%时，对应的输出激光中心波长为~1 078 nm；当输出镜透过率为10%和30%时，对应的输出激光中心波长~1 048 nm。在最高输出功率为4.702 W时，光斑两个方向的光束质量因子" }, { "name": "italic", "data": [ { "name": "text", "data": "M" } ] }, { "name": "sup", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "分别为1.101和1.009，如" }, { "name": "xref", "data": { "text": "图5(c)", "type": "fig", "rid": "F5", "data": [ { "name": "text", "data": "图5(c)" } ] } }, { "name": "text", "data": "所示；光斑形状如" }, { "name": "xref", "data": { "text": "图5(d)", "type": "fig", "rid": "F5", "data": [ { "name": "text", "data": "图5(d)" } ] } }, { "name": "text", "data": ",CCD图表明输出光斑具有较好的高斯分布。该晶体的激光实验数据汇总于" }, { "name": "xref", "data": { "text": "表3", "type": "table", "rid": "T3", "data": [ { "name": "text", "data": "表3" } ] } }, { "name": "text", "data": "。" } ] }, { "name": "fig", "data": { "id": "F5", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图5" } ], "title": [ { "name": "text", "data": "Yb∶LuAG SCF 3# (10%," }, { "name": "italic", "data": [ { "name": "text", "data": "Φ" } ] }, { "name": "text", "data": "=3 mm，直径波动~1%) 在940 nm泵浦下输出功率与吸收泵浦功率的关系(插图为相应晶体的照片)(a)、输出光谱(b)、最高输出功率下的光束质量因子(c)、最高输出功率下的光斑(d)。" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig. 5" } ], "title": [ { "name": "text", "data": "The relationship between the output power and absorbed pump power(The inset is the photograph of the corresponding crystal)(a), output spectrum(b), beam quality factor at the highest output power(c) and spot shape at the highest output power(d) of 3# (10%, " }, { "name": "italic", "data": [ { "name": "text", "data": "Φ" } ] }, { "name": "text", "data": "=3 mm,diameter fluctuation ~1%) Yb∶LuAG SCF under 940 nm pump." } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777169&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777177&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777173&type=" } ] } }, { "name": "table", "data": { "id": "T3", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "表3" } ], "title": [ { "name": "text", "data": "Yb∶LuAG SCF 3#的连续激光输出结果" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Tab. 3" } ], "title": [ { "name": "text", "data": "The CW laser output of Yb∶LuAG SCF 3#" } ] } ], "note": [], "table": [ { "head": [ [ { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "泵浦源" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "italic", "data": [ { "name": "text", "data": "T" } ] }, { "name": "text", "data": "/%" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "输出功率/W" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "斜效率/%" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "输出中心波长/nm" } ] } ] ], "body": [ [ { "colspan": "1", "rowspan": "4", "align": "left", "style": "border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "940 nm" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "1" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "1.520" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "14.53" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "~1 078" } ] } ], [ { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "5" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "4.100" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "21.62" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "~1 078" } ] } ], [ { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "10" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "4.702" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "21.66" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "data": [ { "name": "text", "data": "~1 048" } ] } ], [ { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "30" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "4.143" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "22.33" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "~1 048" } ] } ] ], "foot": [] } ] } }, { "name": "p", "data": [ { "name": "text", "data": "此外，为探究水冷温度对实验的影响，采用3# Yb∶LuAG单晶光纤在940 nm泵浦，输出镜透过率10%时，改变水冷温度，测量其输出激光功率及光-光转化效率。由" }, { "name": "xref", "data": { "text": "图6", "type": "fig", "rid": "F6", "data": [ { "name": "text", "data": "图6" } ] } }, { "name": "text", "data": "可见，在水冷温度由20 ℃降至16 ℃时，输出功率随水冷温度降低而增加，但变化较小，与以往的报道相符" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "xref", "data": { "text": "18", "type": "bibr", "rid": "R18", "data": [ { "name": "text", "data": "18" } ] } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "。" } ] }, { "name": "fig", "data": { "id": "F6", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图6" } ], "title": [ { "name": "text", "data": "Yb∶LuAG SCF 3# (10%," }, { "name": "italic", "data": [ { "name": "text", "data": "Φ" } ] }, { "name": "text", "data": "=3 mm，直径波动~1%) 在940 nm泵浦不同水冷温度下输出功率(a)、光-光转化效率(b)与吸收泵浦功率的关系。" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig. 6" } ], "title": [ { "name": "text", "data": "The relationship between output power(a), O-O conversion efficiency(b) and absorbed pump power of 3# (10%, " }, { "name": "italic", "data": [ { "name": "text", "data": "Φ" } ] }, { "name": "text", "data": "=3 mm, diameter fluctuation ~1%) Yb∶LuAG SCF under 940 nm pump." } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777181&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777189&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777185&type=" } ] } }, { "name": "p", "data": [ { "name": "text", "data": "μ-PD法生长的1#~3# Yb∶LuAG单晶光纤均已实现激光输出。对比同直径的2#和3#单晶光纤的连续实验结果，可知2#单晶光纤由于直径波动较大(~10.5%)，激光输出功率严重受限。3# (10%," }, { "name": "italic", "data": [ { "name": "text", "data": "Φ" } ] }, { "name": "text", "data": "=3 mm，直径波动~1%)单晶光纤的激光输出功率" }, { "name": "text", "data": ">" }, { "name": "text", "data": "4W，且在水冷16~20 ℃范围内，激光输出功率随水冷温度降低而增大。此外，采用940 nm泵浦时，主要有~1 049 nm和~1 078 nm两种中心波长的激光输出。如" }, { "name": "xref", "data": { "text": "图7", "type": "fig", "rid": "F7", "data": [ { "name": "text", "data": "图7" } ] } }, { "name": "text", "data": "所示，对于Yb" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "三能级体系，1 049 nm的输出对应于" }, { "name": "sup", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "F" }, { "name": "sub", "data": [ { "name": "text", "data": "5/2" } ] }, { "name": "text", "data": "最低能级至" }, { "name": "sup", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "F" }, { "name": "sub", "data": [ { "name": "text", "data": "7/2" } ] }, { "name": "text", "data": "最高能级的跃迁。对于输出波长1 078 nm的研究相对较少，2004年，GRIEBNER等借助Yb∶Lu" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "3" } ] }, { "name": "text", "data": "实现了中心波长1 080 nm的锁模激光输出" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "xref", "data": { "text": "19", "type": "bibr", "rid": "R19", "data": [ { "name": "text", "data": "19" } ] } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": ";2014年，BROWN等表征了Yb" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "∶Lu" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "O" }, { "name": "sub", "data": [ { "name": "text", "data": "3" } ] }, { "name": "text", "data": "晶体的发射光谱，存在~1 078 nm的发射峰" }, { "name": "sup", "data": [ { "name": "text", "data": "[" }, { "name": "xref", "data": { "text": "6", "type": "bibr", "rid": "R6", "data": [ { "name": "text", "data": "6" } ] } }, { "name": "text", "data": "]" } ] }, { "name": "text", "data": "。实验测得的~1 078 nm的发射波长应该是Yb" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "掺杂材料的一个基本特性，然而对于Yb∶LuAG单晶光纤1 078 nm的激光输出原理尚未有报道，还有待深入研究。" } ] }, { "name": "fig", "data": { "id": "F7", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图7" } ], "title": [ { "name": "text", "data": "Yb" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "的能级简图" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig. 7" } ], "title": [ { "name": "text", "data": "The energy level diagram of Yb" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777193&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777202&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777197&type=" } ] } }, { "name": "p", "data": [ { "name": "text", "data": "单晶光纤结合了体块晶体和玻璃光纤的优势，理论上具有优异的激光性能。然而，由于单晶光纤激光测试设备的限制，只能将单晶光纤切割为长度8 mm，增益长度较小，且单晶光纤端面未镀相应的增透膜，所以输出功率和斜效率较低。" } ] } ] }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "label": [ { "name": "text", "data": "3.2" } ], "title": [ { "name": "text", "data": "MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "性能" } ], "level": "2", "id": "s3b" } }, { "name": "p", "data": [ { "name": "text", "data": "二维过渡金属硫化物(TMDC)具有优异的光学和电学性能。MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "作为常用的TMDC，被广泛用作非线性光学可饱和吸收体材料。" }, { "name": "xref", "data": { "text": "图8(a)、(b)", "type": "fig", "rid": "F8", "data": [ { "name": "text", "data": "图8(a)、(b)" } ] } }, { "name": "text", "data": "分别为实验中所用的MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "在0.2~2.5 μm范围内的紫外-可见-近红外透过光谱和1.28~10 μm范围内的FTIR透射谱。结果表明，制备的MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "样品在0.2~7 μm范围内无吸收峰，在1~7 μm内透过率" }, { "name": "text", "data": ">" }, { "name": "text", "data": "50%，展现出较好的线性光学性质。" } ] }, { "name": "fig", "data": { "id": "F8", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图8" } ], "title": [ { "name": "text", "data": "(a)MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": " SA在0.2~2.5 μm范围的紫外-可见-近红外光谱；(b)MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": " SA在1.28~10 μm范围的FTIR透射谱。" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig. 8" } ], "title": [ { "name": "text", "data": "(a)UV-Vis-NIR transmission spectrum of MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": " SA in the range from 0.2 μm to 2.5 μm. (b)FTIR transmission spectrum of MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": " SA in the range from 1.28 μm to 10 μm." } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777205&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777213&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777209&type=" } ] } }, { "name": "p", "data": [ { "name": "text", "data": "开孔" }, { "name": "italic", "data": [ { "name": "text", "data": "Z" } ] }, { "name": "text", "data": "扫描测试实验结果如" }, { "name": "xref", "data": { "text": "图9", "type": "fig", "rid": "F9", "data": [ { "name": "text", "data": "图9" } ] } }, { "name": "text", "data": "所示，拟合曲线是根据非线性光学理论对实验数据的拟合。MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "沿光轴方向由远距离接近焦点位置时归一化透过率逐渐增大，MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "在532 nm和1 064 nm展现出优异的可饱和吸收现象，表明制备的可饱和吸收体MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "具有优秀的非线性光学性质。" } ] }, { "name": "fig", "data": { "id": "F9", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图9" } ], "title": [ { "name": "text", "data": "(a)MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": " SA在532 nm处的" }, { "name": "italic", "data": [ { "name": "text", "data": "Z" } ] }, { "name": "text", "data": "扫描数据和理论拟合；(b)MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": " SA在1 064 nm处的" }, { "name": "italic", "data": [ { "name": "text", "data": "Z" } ] }, { "name": "text", "data": "扫描数据和理论拟合。" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig. 9" } ], "title": [ { "name": "text", "data": "(a)" }, { "name": "italic", "data": [ { "name": "text", "data": "Z" } ] }, { "name": "text", "data": "-scan data and theoretical fitting of the MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": " SA at 532 nm. (b)" }, { "name": "italic", "data": [ { "name": "text", "data": "Z" } ] }, { "name": "text", "data": "-scan data and theoretical fitting of the MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": " SA at 1 064 nm." } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777214&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777224&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777221&type=" } ] } } ] }, { "name": "sec", "data": [ { "name": "sectitle", "data": { "label": [ { "name": "text", "data": "3.3" } ], "title": [ { "name": "text", "data": "基于MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "被动调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "的单晶光纤激光器" } ], "level": "2", "id": "s3c" } }, { "name": "p", "data": [ { "name": "text", "data": "在3# Yb∶LuAG单晶光纤(10%," }, { "name": "italic", "data": [ { "name": "text", "data": "Φ" } ] }, { "name": "text", "data": "=3 mm)获得了4.703 W连续激光输出的基础上，以MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "作为可饱和吸收体，获得了最高平均功率为0.522 W的被动调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "脉冲激光输出，实验结果如" }, { "name": "xref", "data": { "text": "图10", "type": "fig", "rid": "F10", "data": [ { "name": "text", "data": "图10" } ] } }, { "name": "text", "data": "所示。" }, { "name": "xref", "data": { "text": "图10(a)", "type": "fig", "rid": "F10", "data": [ { "name": "text", "data": "图10(a)" } ] } }, { "name": "text", "data": "为输出平均功率与吸收的泵浦功率关系图，插图为输出功率最高时的激光2D光斑。" }, { "name": "xref", "data": { "text": "图10(b)", "type": "fig", "rid": "F10", "data": [ { "name": "text", "data": "图10(b)" } ] } }, { "name": "text", "data": "为输出光谱图，输出镜透过率分别为10%和30%时，输出激光的中心波长分别为1 048.94 nm和1 047.08 nm。" }, { "name": "xref", "data": { "text": "图11", "type": "fig", "rid": "F11", "data": [ { "name": "text", "data": "图11" } ] } }, { "name": "text", "data": "为" }, { "name": "italic", "data": [ { "name": "text", "data": "T" } ] }, { "name": "text", "data": "=10%时，基于MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "的Yb∶LuAG SCF激光器在频率为77.02 kHz和236.5 kHz时的脉冲形状和脉冲序列。" }, { "name": "xref", "data": { "text": "图12(a)、(b)", "type": "fig", "rid": "F12", "data": [ { "name": "text", "data": "图12(a)、(b)" } ] } }, { "name": "text", "data": "分别显示了" }, { "name": "italic", "data": [ { "name": "text", "data": "T" } ] }, { "name": "text", "data": "=10%时，脉冲持续时间、脉冲重复频率、脉冲能量和峰值功率随吸收泵浦功率的变化。输出镜透过率" }, { "name": "italic", "data": [ { "name": "text", "data": "T" } ] }, { "name": "text", "data": "=10%，当吸收泵浦功率为10.67 W时，输出平均功率为0.261 W，此时对应最大单脉冲能量3.39 μJ。" }, { "name": "xref", "data": { "text": "表4", "type": "table", "rid": "T4", "data": [ { "name": "text", "data": "表4" } ] } }, { "name": "text", "data": "中总结了基于MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "可饱和吸收体的Yb" }, { "name": "sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": "掺杂被动调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "激光输出结果，本实验结果的峰值功率较小，但是具有相对较大的单脉冲能量。" } ] }, { "name": "fig", "data": { "id": "F10", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图10" } ], "title": [ { "name": "text", "data": "(a)不同输出耦合镜下，基于MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "被动调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": " Yb∶LuAG单晶光纤激光器的平均输出功率与吸收的泵浦功率关系和输出功率最高时的激光2D光斑(插图);(b)基于MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "被动调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": " Yb∶LuAG单晶光纤激光器的输出光谱。" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig. 10" } ], "title": [ { "name": "text", "data": "(a)Average output power " }, { "name": "italic", "data": [ { "name": "text", "data": "versus" } ] }, { "name": "text", "data": " the absorbed pump power and 2D beam profiles at the highest output power(insert) with different output couplers of " }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "-switched Yb∶LuAG SCF laser using MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": ". (b)The output spectrum of the " }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "-switched Yb∶LuAG SCF laser." } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777231&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777238&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777234&type=" } ] } }, { "name": "fig", "data": { "id": "F11", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图11" } ], "title": [ { "name": "text", "data": "基于MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "的Yb∶LuAG SCF激光器产生的时间脉冲形状和脉冲序列。 (a)频率为77.02 kHz;(b)频率为236.5 kHz。" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig. 11" } ], "title": [ { "name": "text", "data": "Temporal pulse shapes and pulse trains generated from passively " }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "-switched Yb∶LuAG SCF laser. (a)Frequency is 77.02 kHz. (b)Frequency is 236.5 kHz." } ] } ], "subcaption": [], "note": [], "graphics": [ { "print": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777240&type=", "small": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777246&type=", "big": "http://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=23777243&type=" } ] } }, { "name": "fig", "data": { "id": "F12", "caption": [ { "lang": "zh", "label": [ { "name": "text", "data": "图12" } ], "title": [ { "name": "text", "data": "基于MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "的Yb∶LuAG SCF激光器性能与吸收泵浦功率的关系。 (a)脉冲持续时间和脉冲重复频率；(b)脉冲能量和峰值功率。" } ] }, { "lang": "en", "label": [ { "name": "text", "data": "Fig. 12" } ], "title": [ { "name": "text", "data": "Performance of the " }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "-switched Yb∶LuAG SCF laser using MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": " " }, { "name": "italic", "data": [ { "name": "text", "data": "versus" } ] }, { "name": "text", "data": " absorbed pump power. (a)Pulse durations and pulse repetition rates. 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"sup", "data": [ { "name": "text", "data": "3+" } ] }, { "name": "text", "data": " doped passive " }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "-switched laser with MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": " SA" } ] } ], "note": [], "table": [ { "head": [ [ { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "增益介质" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "平均功率/W" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid #000;", "data": [ { "name": "text", "data": "重频/kHz" } ] }, { "colspan": "1", "rowspan": "1", "align": "center", "style": "border-top:1px solid #000;border-bottom:1px solid 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nm泵浦时，实现了~1 049 nm和~1 078 nm两种中心波长的激光输出。并且在水冷16~20 ℃范围内，激光输出功率随水冷温度降低而增大。" } ] }, { "name": "p", "data": [ { "name": "text", "data": "此外，在蓝宝石基底上制备了MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "并进行了线性和非线性光学性能表征。结果表明，MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "样品在0.2~7 μm范围内无吸收峰，在1~7 μm内透过率" }, { "name": "text", "data": ">" }, { "name": "text", "data": "50%，展现出较好的线性光学性质；在532 nm和1 064 nm激光照射下，通过焦点位置附近时产生了饱和吸收现象，表明制备的可饱和吸收体MoTe" }, { "name": "sub", "data": [ { "name": "text", "data": "2" } ] }, { "name": "text", "data": "具有优秀的非线性光学性质。基于该材料，进行了Yb∶LuAG单晶光纤的被动调" }, { "name": "italic", "data": [ { "name": "text", "data": "Q" } ] }, { "name": "text", "data": "激光实验，最终获得最大单脉冲能量3.39 μJ的激光输出。本工作为Yb∶LuAG单晶光纤在全固态高功率连续和脉冲激光器的应用提供了参考。" } ] }, { "name": "p", "data": [ { "name": "text", "data": "本文专家审稿意见及作者回复内容的下载地址:http://cjl.lightpublishing.cn/thesisDetails#10.37188/CJL.20210332." } ] } ] } ], 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