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High power vertical stacked and horizontal arrayed diode laser bar development based on insulation micro-channel cooling (IMCC) and hard solder bonding technology
Wang, Boxue1; Jia, Yangtao1; Zhang, Haoyu1; Jia, Shiyin1; Liu, Jindou1; Wang, Weifeng1; Liu, Xingsheng1,2
2018
Conference NameComponents and Packaging for Laser Systems IV 2018
Source PublicationComponents and Packaging for Laser Systems IV
Volume10513
Conference Date2018-01-30
Conference PlaceSan Francisco, CA, United states
PublisherSPIE
Contribution Rank2
Abstract

An insulation micro-channel cooling (IMCC) has been developed for packaging high power bar-based vertical stack and horizontal array diode lasers, which eliminates many issues caused in its congener packaged by commercial copper formed micro-channel cooler(MCC), such as coefficient of thermal expansion (CTE) mismatch between cooler and diode laser bar, high coolant quality requirement (DI water) and channel corrosion and electro-corrosion induced by DI water if the DI-water quality is not well maintained The IMCC cooler separates water flow route and electrical route, which allows tap-water as coolant without electro-corrosion and therefore prolongs cooler lifetime dramatically and escalated the reliability of these diode lasers. The thickness of ceramic and copper in an IMCC cooler is well designed to minimize the CTE mismatch between laser bar and cooler, consequently, a very low "SMILE" of the laser bar can be achieved for small fast axis divergence after collimation. In additional, gold-tin hard solder bonding technology was also developed to minimize the risk of solder electromigration at high current density and thermal fatigue under hard-pulse operation mode. Testing results of IMCC packaged diode lasers are presented in this report. © 2018 SPIE.

Department炬光科技有限公司
DOI10.1117/12.2289259
Indexed ByEI
ISBN9781510615113
Language英语
ISSN0277786X
EI Accession Number20181505007494
Citation statistics
Document Type会议论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30042
Collection炬光科技有限公司
瞬态光学技术国家重点实验室
Affiliation1.Focuslight Technologies Inc., No. 56 Zhangba 6th Road, High-Tech Zone, Xi'an, Shaanxi; 710077, China
2.State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, No. 17 Xinxi Road, Xi'an, Shaanxi; 710119, China
Recommended Citation
GB/T 7714
Wang, Boxue,Jia, Yangtao,Zhang, Haoyu,et al. High power vertical stacked and horizontal arrayed diode laser bar development based on insulation micro-channel cooling (IMCC) and hard solder bonding technology[C]:SPIE,2018.
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