分布式抽运连续光纤激光器研究

张雪霞; 葛廷武; 丁星; 谭琦瑞; 尧舜; 王智勇

doi:10.3788/fgxb20163709.1071

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分布式抽运连续光纤激光器研究

器件制备及器件物理 | 更新时间：2020-08-12

- 分布式抽运连续光纤激光器研究
- Study of Continuous Fiber Laser with Distributed Pump Structure
- 发光学报 2016年37卷第9期页码：1071-1075
- 作者机构：
  
  北京工业大学激光工程研究院, 北京 100124
- 作者简介：
- 基金信息：
  
  国家科学重大专项&mdash();工业用高功率全光纤激光器的开发（2010ZX04013-052）资助项目()
- DOI：10.3788/fgxb20163709.1071
  中图分类号： TN245;TN248
- 纸质出版日期：2016-9-5，
  
  收稿日期：2016-4-20，
  
  修回日期：2016-6-12，
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张雪霞, 葛廷武, 丁星, 谭琦瑞, 尧舜, 王智勇. 分布式抽运连续光纤激光器研究[J]. 发光学报, 2016,37(9): 1071-1075

ZHANG Xue-xia, GE Ting-wu, DING Xing, TAN Qi-rui, YAO Shun, WANG Zhi-yong. Study of Continuous Fiber Laser with Distributed Pump Structure[J]. 发光学报, 2016,37(9): 1071-1075
张雪霞, 葛廷武, 丁星, 谭琦瑞, 尧舜, 王智勇. 分布式抽运连续光纤激光器研究[J]. 发光学报, 2016,37(9): 1071-1075 DOI： 10.3788/fgxb20163709.1071.

ZHANG Xue-xia, GE Ting-wu, DING Xing, TAN Qi-rui, YAO Shun, WANG Zhi-yong. Study of Continuous Fiber Laser with Distributed Pump Structure[J]. 发光学报, 2016,37(9): 1071-1075 DOI： 10.3788/fgxb20163709.1071.

摘要

为了避免高功率光纤激光器中光纤端面出现热效应问题，依据多点级联结构的耦合器，对分布式抽运的光纤激光器进行了研究。首先，介绍了实验室自主研制的级联耦合器。然后，分析了耦合器插入对光纤激光器的影响。最后，选用自制的耦合器搭建了分布式抽运的光纤激光器。实验结果表明：对耦合器插入损耗的研究，能够促进高功率级联耦合器的实现。在光纤激光器结构中，975 nm泵浦功率注入1.1 kW时，1 080 nm激光功率输出为770 W，光-光转换效率为77%。在主控振荡功率放大结构中，激光功率输出为635 W，放大级的光-光转换效率为78%。分布式抽运方式可以使泵浦光多点注入，避免了热量的集中，能够获得千瓦级的激光功率输出。

Abstract

In order to avoid the thermal effect of fiber-end in high power fiber laser

the fiber laser based on the multi-point cascaded was studied. First

the self-developed cascaded couplers were introduced. Then

the effect of the couplers insertion on the fiber laser was analyzed. Finally

the fiber laser and the master oscillator amplifier with the pumping distributed structure were built. Experimental results indicate that the research on the insertion loss of the coupler can promote the development of high power cascaded coupler. In the distributed fiber laser

the output power of 1 080 nm is 770 W with the pump power of 1.1 kW

and the optical to optical conversion efficiency is 77%. The output power of maser oscillator power amplifier structure is 635 W with the optical conversion efficiency is 78%. It can satisfy that the distributed pumping can solve the heat concentration in fiber laser

can achieve the kilowatt fiber lasers.

关键词

光纤激光器激光振荡主控振荡功率放大级联耦合器高功率

Keywords

fiber laserlaser oscillationMOPAcascaded couplershigh power

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