Thermal Simulation and Optimization of Structure in High-power Vertical Cavity Surface Emitting Laser Array

ZHANG Li-sen; NING Yong-qiang; LIU Di; ZHANG Xing; QIN Li; LIU Yun; WANG Li-jun

doi:10.3788/fgxb20123311.1247

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Thermal Simulation and Optimization of Structure in High-power Vertical Cavity Surface Emitting Laser Array

更新时间：2020-08-12

- Thermal Simulation and Optimization of Structure in High-power Vertical Cavity Surface Emitting Laser Array
- Chinese Journal of Luminescence Vol. 33, Issue 11, Pages: 1247-1251(2012)
- 作者机构：
  
  1. 中国科学院大学北京,100049
  2. 发光学及应用国家重点实验室中国科学院长春光学精密机械与物理研究所,吉林长春,130033
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20123311.1247
  CLC： TN248.2
- Received：18 April 2012，
  
  Revised：08 May 2012，
  
  Published：10 November 2012
- 稿件说明：
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张立森, 宁永强, 刘迪, 张星, 秦莉, 刘云, 王立军. 大功率垂直腔面发射激光器列阵的热模拟及优化[J]. 发光学报, 2012,(11): 1247-1251

ZHANG Li-sen, NING Yong-qiang, LIU Di, ZHANG Xing, QIN Li, LIU Yun, WANG Li-jun. Thermal Simulation and Optimization of Structure in High-power Vertical Cavity Surface Emitting Laser Array[J]. Chinese Journal of Luminescence, 2012,(11): 1247-1251
张立森, 宁永强, 刘迪, 张星, 秦莉, 刘云, 王立军. 大功率垂直腔面发射激光器列阵的热模拟及优化[J]. 发光学报, 2012,(11): 1247-1251 DOI： 10.3788/fgxb20123311.1247.

ZHANG Li-sen, NING Yong-qiang, LIU Di, ZHANG Xing, QIN Li, LIU Yun, WANG Li-jun. Thermal Simulation and Optimization of Structure in High-power Vertical Cavity Surface Emitting Laser Array[J]. Chinese Journal of Luminescence, 2012,(11): 1247-1251 DOI： 10.3788/fgxb20123311.1247.

摘要

对垂直腔面发射激光器的产热情况进行了分析

简化了热源

建立了列阵的热传导模型

利用Comsol Multiphysics软件对模型进行了模拟计算。通过改变底发射列阵的单元直径和间距

对列阵的温升进行了计算。研制了4×4、5×5和8×8三种不同尺寸的列阵

功率分别为580

1 440

2 100 mW

对应功率密度分别为115

374

853 W/cm

。通过光谱的波长漂移计算出4 A时的温升分别为120

38℃。采用小孔径单元制作的列阵可以有效地降低列阵单元间的热串扰

获得高功率输出。

Abstract

The heating distribution of vertical cavity surface emitting laser array (VCSEL) is analyzed. The heating source is simplified and the heat transport model is established. The Comsol Multiphysics software is used for all numerical simulations. The temperature rise is computed by changing the cell diameter and gap between the adjacent cells. Three kinds of arrays are manufactured: 4×4

5×5 and 8×8. The power are 580

1 440 and 2 100 mW

the corresponding power density are 115

374 and 853 W/cm

respectively. The values of temperature rise at 4 A are 120

58 and 38℃

which are obtained by redshift of wavelength. The arrays made up of small size cells can effectively reduce the thermal crosstalk and improve the output power.

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Keywords

references

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Shi J J, Qin L, Ning Y Q,et al. Coherent measurement and analysis of verticalcavity surfaceemitting laser [J]. Chin. J. Lumin. (发光学报), 2011, 32(8):834-838 (in Chinese).

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