Multi-color Laser Diode Array End-pump Nd:YAG Pulsed Laser

PENG Chao; LIU Xue-sheng; SI Han-ying; DONG Jian; CAO Ming-zhen; LIU You-qiang; WANG Zhi-y

doi:10.3788/fgxb20183902.0162

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Multi-color Laser Diode Array End-pump Nd:YAG Pulsed Laser

更新时间：2020-08-12

- Multi-color Laser Diode Array End-pump Nd:YAG Pulsed Laser
- Chinese Journal of Luminescence Vol. 39, Issue 2, Pages: 162-168(2018)
- 作者机构：
  
  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
- 作者简介：
- 基金信息：
  
  Supported by Beijing Municipal Education Commission(KM201310005019)
- DOI：10.3788/fgxb20183902.0162
  CLC： TN248.1
- Received：15 June 2017，
  
  Revised：25 August 2017，
  
  Published Online：18 September 2017，
  
  Published：05 February 2018
- 稿件说明：
移动端阅览
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.

摘要

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

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

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。

Abstract

Multi-color laser diode array end-pumped Nd:YAG electro-optical

-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

-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.

关键词

Keywords

references

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