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Quasi-CW performance and reliability of dual laser bars on a micro-channel cooler
Zhang, Hongyou1,2; Chen, Li3; Zhao, Sen3; Wang, Boxue3; Zah, Chung-En3; Liu, Xingsheng1,2,3
2018
会议名称High-Power Lasers and Applications IX 2018
会议录名称High-Power Lasers and Applications IX
卷号10846
会议日期2018-10-11
会议地点Beijing, China
出版者SPIE
产权排序1
摘要High power density as the critical performance of laser diode pumps significantly affects both efficiency and power of a solid state laser. In this report, we designed a new packaging structure that two laser bars bonded on the top and bottom of a MCC, respectively, to achieve higher power density at the same bias current or the same power density at a reduced bias current with respective to one laser bar on a MCC. We achieve 1KW output power at a lower bias current 450A with 2.3W/A slope efficiency from a dual-bar MCC at a duty cycle of 8% (200 μs/400 Hz). Other performances like spectral width broadening, wavelength shift and reliability about 1KW quasi-CW high power laser diodes and 5KW for one vertical stack with five dual-bar micro-channel coolers (MCCs) also are discussed. The reliability of dual-bar MCC packaging structure is also studied by life-time testing, and the output peak power of all devices degraded less than 5% after working for 1353 hours. © 2018 SPIE.
作者部门瞬态光学技术国家重点实验室
DOI10.1117/12.2327073
收录类别EI
ISBN号9781510622203
语种英语
ISSN号0277786X;1996765X
EI入藏号20185106258667
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/31143
专题瞬态光学技术国家重点实验室
作者单位1.State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, Shanxi; 710077, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.Focuslight Technologies Inc., Xi'an, Shanxi; 710077, China
推荐引用方式
GB/T 7714
Zhang, Hongyou,Chen, Li,Zhao, Sen,et al. Quasi-CW performance and reliability of dual laser bars on a micro-channel cooler[C]:SPIE,2018.
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