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Development of High Power Annular Diode Laser Array Using Hard Solder
Hou, Dong1; Sun, Lichen1; Fu, Tuanwei1; Chen, Li1; Liang, Xuejie1; Cai, Lei1; Yang, Yan1; Wang, Jingwei1; Yan, Minna1; Zah, Chungen1; Liu, Xingsheng1,2
2019
会议名称Conference on Components and Packaging for Laser Systems V
会议录名称COMPONENTS AND PACKAGING FOR LASER SYSTEMS V
卷号10899
会议日期2019-02-04
会议地点San Francisco, CA
出版者SPIE
产权排序2
摘要

High power QCW diode laser stacks have been widely used in pumping applications for years. Different package structures of diode laser stacks are applied for pumping the cylindrical rod crystal, such as modular G-Stack, horizontal, vertical and annular arrays Annular array is preferred in pumping of QCW mode with low duty cycle and short pulse width, due to the advantage of compact structural size, uniform light beam distribution and convenient electric connection. However, the development of annular diode laser array using hard solder is difficult because of the complex bonding process of diode laser on annular heatsink with conventional bonding fixture. Furthermore the stress and thermal behavior is yet to be well studied on the annular diode laser array. In this work, a sophisticated annular diode laser array was developed using hard solder. Optimized structure and thermal design were conducted to achieve uniform light beam distribution and good heat dissipation. Stress release structure of diode laser stack is applied to reduce the risk of chip crack and deviation of spatial spectrum. The annular diode laser array consists of 44 bars in a ring, with the peak output power of each bar over 500W. The maximum output power of each bar reaches 673 W.

关键词Diode Laser Stack Hard Solder High Power Stress Annular
作者部门炬光科技有限公司
DOI10.1117/12.2510023
收录类别EI ; CPCI
ISBN号978-1-5106-2441-2
语种英语
ISSN号0277-786X;1996-757X
WOS记录号WOS:000468808800006
EI入藏号20192206988962
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/31521
专题炬光科技有限公司
通讯作者Hou, Dong
作者单位1.Focuslight Technol Inc, 56 Zhangba 6th Rd, Xian 710077, Shaanxi, Peoples R China
2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, 17 Xinxi Rd,New Ind Pk, Xian 710119, Shaanxi, Peoples R China
推荐引用方式
GB/T 7714
Hou, Dong,Sun, Lichen,Fu, Tuanwei,et al. Development of High Power Annular Diode Laser Array Using Hard Solder[C]:SPIE,2019.
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