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1. 北京工业大学 激光工程研究院 北京,100022
2. 中国电子科技集团第五十三研究所,辽宁 锦州,121000
纸质出版日期:2018-2-5,
网络出版日期:2017-9-18,
收稿日期:2017-6-15,
修回日期:2017-8-25,
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彭超, 刘学胜, 司汉英等. 多波长半导体激光阵列端泵Nd:YAG脉冲激光器[J]. 发光学报, 2018,39(2): 162-168
PENG Chao, LIU Xue-sheng, SI Han-ying etc. Multi-color Laser Diode Array End-pump Nd:YAG Pulsed Laser[J]. Chinese Journal of Luminescence, 2018,39(2): 162-168
彭超, 刘学胜, 司汉英等. 多波长半导体激光阵列端泵Nd:YAG脉冲激光器[J]. 发光学报, 2018,39(2): 162-168 DOI: 10.3788/fgxb20183902.0162.
PENG Chao, LIU Xue-sheng, SI Han-ying etc. Multi-color Laser Diode Array End-pump Nd:YAG Pulsed Laser[J]. Chinese Journal of Luminescence, 2018,39(2): 162-168 DOI: 10.3788/fgxb20183902.0162.
研制了无温控多波长激光二极管阵列端面泵浦Nd:YAG电光调
Q
激光器。采用4 000 W多波长准连续激光二极管阵列作为泵浦源,快轴准直镜与透镜导管作为泵浦耦合系统,端面泵浦
6 mm60 mm的Nd:YAG晶体,并采用RTP晶体进行电光调
Q
实验。在重复频率5 Hz、室温(25℃)时,激光器获得了最大输出能量74.4 mJ、脉宽15 ns的1 064 nm脉冲激光输出,光光转换效率达到11%。在25~55℃的工作温度下,对多波长LDA的光谱特征与激光器的输出特性作了测试,激光器输出能量随着工作温度的上升而先迅速下降再逐步保持稳定,当重复频率分别为5 Hz和10 Hz时,激光器对应的最低输出能量分别为48 mJ与37 mJ。
Multi-color laser diode array end-pumped Nd:YAG electro-optical
Q
-switched laser without temperature controlled was developed. Using a 4 000 W multi-color QCW laser diode array as the pumping source
and fast axis collimator
lens duct as coupling system
and RTP as
Q
-switch
end-pumped
6 mm60 mm Nd:YAG crystal
the laser obtained a 1 064 nm pulsed laser output with maximum output energy of 74.4 mJ
pulse width of 15 ns and optical conversion efficiency of 11% at the repetition rate of 5 Hz and 25℃. The spectral characteristics of multi-wavelength LDA and the output characteristics of the laser were tested under operating temperature of 25℃ to 55℃
the output energy of the laser rapidly decreases
then gradually stabilizes with the increase of the working temperature. When the repetition rates are 5 Hz and 10 Hz
the minimum output energy of the laser is 48 mJ and 37 mJ
respectively. Experiments indicate that the multi-color laser diode array has more value in realizing no temperature control of high energy all-solid-state lasers.
全固态激光器多波长激光二极管阵列透镜导管电光调Q高能量
all-solid-state-lasermulti-color laser diode arraylens ductelectro-optical Q-switchedhigh energy
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FU R L, LU Z, HU Z Y, et al.. Nd:YAG laser end-pumped by Q-CW laser array with micro-cylindrical lens attached[J]. SPIE, 1999, 3862(277):270-272.
王旭, 孙哲, 程光华. 高重复频率窄脉宽电光调Q Nd:YVO4激光器[J]. 中国激光, 2016, 43(6):0601007-1-6. WANG X, SUN Z, CHENG G H. High repetition rate and short pulse width electro-optic Q-switched Nd:YVO4 laser[J].Chin. J. Lasers, 2016, 43(6):0601007-1-6. (in Chinese)
谢银, 孟俊清, 祖继峰, 等. 传导冷却结构紧凑型高峰值功率纳秒级激光器[J]. 中国激光, 2015, 42(9):0902005-1-6. XIE Y, MENG J Q, ZU J F, et al..Conduction cooling and compact,high peak-power,nanosecond pulse lasers[J]. Chin. J. Lasers, 2015, 42(9):0902005-1-6. (in Chinese)
刘旭, 程勇, 万强, 等. 高温激光二极管抽运全固态激光器[J]. 中国激光, 2016, 43(7):0701003-1-6. LIU X, CHENG Y, WAN Q, et al.. High temperature laser diode pumped all-solid-state laser[J]. Chin. J. Lasers, 2016, 43(7):0701003-1-6. (in Chinese)
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张健, 于永吉, 姜承尧, 等. 高重频Nd:YVO4声光调Q与RTP电光调Q激光器实验对比分析[J]. 红外与激光工程, 2017, 46(2):0205002. ZHANG J, YU Y J, JIANG C Y, et al.. Experiment comparison of acousto-optical Q-switching and RTP electro-optical Q-switching of high repetition frequency Nd:YVO4 laser[J]. Infrared Laser Eng., 2017, 46(2):0205002. (in Chinese)
岱钦, 史瑞新, 崔建丰, 等. 脉冲LD泵浦电光调Q深紫外激光器[J]. 发光学报, 2016, 37(4):463-467. DAI Q, SHI R X, CUI J F, et al.. Pulse LD pumped EO-Q switched DUV laser[J]. Chin. J. Lumin., 2016, 37(4):463-467. (in Chinese)
GLODBERG L, NETTLETON J, SCHILLING B, et al.. Compact laser sources for laser designation, ranging and active imaging[J]. SPIE, 2007, 6552:65520G-1-8.
孙建楠. LD侧面抽运低功耗无水冷激光器[D]. 长春:长春理工大学, 2013:22-40. SUN J N. LD Side-pumped Low-power Dissipation Laser Without Water Cooling[D]. Changchun:Changchun University of Science and Technology, 2013:22-40. (in Chinese)
刘旭, 魏靖松, 谭朝勇, 等. 激光器免温控泵浦源的多波长选择理论[J]. 红外与激光工程, 2016, 45(5):0505004. LIU X, WEI J S, TAN C Y, et al.. Theoretial analysis of muti-wavelength temperature-free-control pump source of laser[J]. Infrared Laser Eng., 2016, 45(5):0505004. (in Chinese)
刘晓娟, 傅汝廉, 常胜江, 等. LDA泵浦Nd:YVO4/GaAs饱和吸收调Q激光器[J]. 光电子激光, 2006, 17(12):1443-1446. LIU X J, FU R L, CHANG S J, et al.. Pulse LDA-pumped passively Q-switched Nd:YVO4 laser with GaAs as saturable absorber[J]. J. Optoelectron.Laser, 2006, 17(12):1443-1446. (in Chinese)
SCHILLING B W, CHINN S R, HAYS A D, et al.. End-pumped 1.5m monoblock laser for broad temperature operation[J]. Appl. Opt., 2006, 45(25):6607-6615.
于真真, 侯霞, 周群立, 等. 垂直腔面发射激光器抽运小型宽温Nd:YAG激光器及掠入射式放大器的研究[J]. 中国激光, 2013, 40(6):0602003-1-7. YU Z Z, HOU X, ZHOU Q L, et al.. VCSEL pumped compact wide-temperature Nd:YAG laser and grazing-incidence amplifier[J]. Chin. J. Lasers, 2013, 40(6):0602003-1-7. (in Chinese)
井红旗, 仲莉, 倪羽茜, 等. 高功率密度激光二极管叠层散热结构的热分析[J]. 发光学报, 2016, 37(1):81-87. JING H Q, ZHONG L, NI Y X, et al.. Thermal analysis of high power density laser diode stack cooling structure[J]. Chin. J. Lumin., 2016, 37(1):81-87. (in Chinese)
张金胜, 刘晓莉, 崔锦江, 等. 高峰值功率808 nm垂直发射激光器列阵[J]. 发光学报, 2014,35(9):1098-1103. ZHANG J S, LIU X L, CUI J J, et al.. High peak power 808 nm vertical-cavity surface-emitting laser array[J]. Chin. J. Lumin., 2014, 35(9):1098-1103. (in Chinese)
GONG X Q, FENG S W, YUE Y, et al.. Thermal analysis in high power GaAs-based laser diodes[J]. J. Semicond., 2016, 37(4):044011-1-5.
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