Analysis on thermal characteristics of annular beam pumped vertical-external-cavity surface-emitting lasers by finite element method

被引：3

作者：

Wang, Fei ^{[1
]}

Wang, Xiaohua ^{[2
]}

机构：

[1] Changchun Univ Sci & Technol, Coll Optoelect Engn, Changchun 130022, Peoples R China

[2] Changchun Univ Sci & Technol, Coll Sci, Changchun 130022, Peoples R China

来源：

OPTIK | 2014年 / 125卷 / 19期

基金：

中国国家自然科学基金; 高等学校博士学科点专项科研基金;

关键词：

Optically pumped semiconductor lasers; Vertical-external-cavity surface-emitting lasers (VECSELs); Annular beam; Thermal management; Finite element method; SEMICONDUCTOR DISK LASERS; HIGH-POWER; EFFICIENCY;

D O I：

10.1016/j.ijleo.2014.06.032

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The annular beam as a pump light of VECSELs is presented for the first time in this study. The thermal characteristics of VECSELs were calculated and simulated by finite element method, and the influence of the annular beam's annulus radius, the annulus width, and the pumping power to the VECSELs' thermal characteristics was analyzed in detail. The results indicated that the annular beam can improve the VECSELs' thermal characteristics efficiently, and provide a favorable term to generate laser in the central part of the annular. The theoretical results provided theoretical reference and experimental study for the design of high-power optically pumped VECSELs. (C) 2014 Elsevier GmbH. All rights reserved.

引用

页码：5719 / 5722

页数：4

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