双程放大740 mJ TEC冷却LD泵浦Nd:YAG激光器

刘学胜; 董剑; 徐爱东; 彭超; 刘友强; 曹明真; 何欢; 王智勇

doi:10.3788/fgxb20183907.0991

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双程放大740 mJ TEC冷却LD泵浦Nd:YAG激光器

器件制备及器件物理 | 更新时间：2020-08-12

- 双程放大740 mJ TEC冷却LD泵浦Nd:YAG激光器
- Two-pass Amplifier 740 mJ Diode-pumped Nd:YAG Laser with Thermoelectric Cooler
- 发光学报 2018年39卷第7期页码：991-996
- 作者机构：
  
  1. 北京工业大学激光工程研究院北京,100124
  2. 江苏北方湖光光电有限公司, 江苏无锡 214035
- 作者简介：
- 基金信息：
  
  北京市教委面上项目（KM201310005019）资助()
- DOI：10.3788/fgxb20183907.0991
  中图分类号： TN248.1
- 纸质出版日期：2018-7-5，
  
  网络出版日期：2018-4-8，
  
  收稿日期：2017-11-22，
  
  修回日期：2018-3-28，
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刘学胜, 董剑, 徐爱东等. 双程放大740 mJ TEC冷却LD泵浦Nd:YAG激光器[J]. 发光学报, 2018,39(7): 991-996

LIU Xue-sheng, DONG Jian, XU Ai-dong etc. Two-pass Amplifier 740 mJ Diode-pumped Nd:YAG Laser with Thermoelectric Cooler[J]. Chinese Journal of Luminescence, 2018,39(7): 991-996
刘学胜, 董剑, 徐爱东等. 双程放大740 mJ TEC冷却LD泵浦Nd:YAG激光器[J]. 发光学报, 2018,39(7): 991-996 DOI： 10.3788/fgxb20183907.0991.

LIU Xue-sheng, DONG Jian, XU Ai-dong etc. Two-pass Amplifier 740 mJ Diode-pumped Nd:YAG Laser with Thermoelectric Cooler[J]. Chinese Journal of Luminescence, 2018,39(7): 991-996 DOI： 10.3788/fgxb20183907.0991.

摘要

报道了一种实现高能量输出的激光二极管（LD）泵浦无水冷全固态Nd：YAG双程放大器结构。整个放大系统采用了泵浦与晶体棒集成的模块以及半导体制冷器（TEC），从而实现了激光系统的小型化。总腔长为730 mm。在10 Hz重复频率下，主振荡器得到了最大脉冲能量为350 mJ的激光输出。脉宽为9.7 ns，光束质量

在两个方向分别为7.7和12.3。并进行了双程放大的研究，双程放大后得到了740 mJ、10 ns的激光输出。

Abstract

A high-pulse-energy

diode-pumped

solid-state Nd

(Nd:YAG) two-pass amplifier system without water cooler was demonstrated in this study. The modulation of LD and Nd:YAG crystal rod and the use of thermoelectric cooler(TEC) in whole system aimed to make the system miniaturized. The cavity length was 280 mm. And a 350 mJ laser pulse was obtained with a pulse duration of 9.7 ns

a frequency of 10 Hz and a beam quality

of 7.7 and 12.3 for horizontal and vertical directions

respectively. A 740 mJ

10 ns laser pulse for two-pass amplification was obtained.

关键词

全固态激光器高能量TEC冷却LD泵浦主振荡功率放大器

Keywords

solid-state laserhigh-energythermoelectric cooler(TEC)diode-side-pumpedMOPA

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