Collimation of High Power Vertical Cavity Surface Emitting Laser

TIAN Zhen-hua; HU Yong-sheng; QIN Li; ZHANG Jin-long; NING Yong-qiang; WANG Li-jun; LIU Yun

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Collimation of High Power Vertical Cavity Surface Emitting Laser

paper | 更新时间：2020-08-12

- Collimation of High Power Vertical Cavity Surface Emitting Laser
- Chinese Journal of Luminescence Vol. 32, Issue 9, Pages: 939-943(2011)
- 作者机构：
  
  1. 中国科学院激发态物理重点实验室长春光学精密机械与物理研究所,吉林长春,130033
  2. 中国科学院苏州生物医学工程技术研究所,江苏苏州,215163
  3. 中国科学院研究生院北京,100039
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN248.4
- Received：08 April 2011，
  
  Revised：12 May 2011，
  
  Published Online：22 September 2011，
  
  Published：22 September 2011
- 稿件说明：
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田振华, 胡永生, 秦莉, 张金龙, 宁永强, 王立军, 刘云. 高功率垂直腔面发射激光器的光束准直特性[J]. 发光学报, 2011,32(9): 939-943

TIAN Zhen-hua, HU Yong-sheng, QIN Li, ZHANG Jin-long, NING Yong-qiang, WANG Li-jun, LIU Yun. Collimation of High Power Vertical Cavity Surface Emitting Laser[J]. Chinese Journal of Luminescence, 2011,32(9): 939-943
田振华, 胡永生, 秦莉, 张金龙, 宁永强, 王立军, 刘云. 高功率垂直腔面发射激光器的光束准直特性[J]. 发光学报, 2011,32(9): 939-943 DOI：

TIAN Zhen-hua, HU Yong-sheng, QIN Li, ZHANG Jin-long, NING Yong-qiang, WANG Li-jun, LIU Yun. Collimation of High Power Vertical Cavity Surface Emitting Laser[J]. Chinese Journal of Luminescence, 2011,32(9): 939-943 DOI：

摘要

基于高斯光束的准直原理

针对不同结构参数的大功率垂直腔面发射激光器光束特征

通过选用合适参数的透镜

研究了不同连续和脉冲电流条件激励下光束的准直特性。对于出光口径为200 m的器件

通过

=3.1 mm

=0.68的透镜

连续工作条件下

准直后的最小发散角达到1;在电流为40 A、脉宽60 ns、重复频率1 kHz的脉冲工作条件下

准直后的最小发散角达到2。实验还证明

在

不变的条件下

准直后的最小发散角随透镜焦距的增大而线性减小。

Abstract

Based on the principles of Gaussian beam collimation

collimation lens of different parameters were selected according to the laser beam characteristics of different high-power vertical cavity surface emitting lasers to study the different conditions of continuous and pulsed current excitation beam collimation. For a 200 m aperture device

through the of

=3.1 mm

=0.68 lens

under continuous work conditon

the minimum of collimated divergence angle is 1

under the current 40 A

pulse width 60 ns

the pulse repetition rate of 1 kHz condition

the minimum collimated divergence angle is about 2. Results also show that under the same

conditions

the collimated divergence angle linerly decreases when focal length increases.

关键词

Keywords

references

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