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A High-Performance Annularly Stacked Laser Diode Pump
Li, Junli1; Sun, Lichen1; Liu, Ming1; Han, Yang1; Fu, Tuanwei1; Cai, Lei1; Zheng, Yanfang1; Yan, Minna1; Wang, Juan1; Tao, Chunhua1; Gao, Lijun1; Wang, Jingwei1; Zah, Chung-en1; Liu, Xingsheng1,2
2020
会议名称Conference on Semiconductor Lasers and Applications X
会议录名称SEMICONDUCTOR LASERS AND APPLICATIONS X
卷号11545
会议日期2020-10-12
会议地点ELECTR NETWORK
出版者SPIE
产权排序2
摘要

A high peak power annularly-stacked laser diode pump has been designed and manufactured for a solid state laser (SSL), which is constructed by 12 single annular stacks composed of 3-bar laser diode (LD) submodules. High peak power and high wavelength uniformity have been considered. Macro channel cooling has been used during the operation of the annular stacks, at typical coolant flow rate of 2L/min. Heat dissipation and stress of a single annular stack have been simulated by finite element software, which shows high temperature uniformity of 3-bar submodules (+/- 0.5 degrees C) and low package stress (11.8MP). The peak power of the annularly stacked laser diode pump has reached 234kW at a peak current of 450A or less. A high uniformity of centroid wavelength (802.1nm) with a full width at half maximum (FWHM) of 4nm has been measured. More than 24 million shots have been verified for the 3-bar LD submodules.

关键词high peak power annular stack macro channel uniformity of centroid wavelength
作者部门瞬态光学研究室
DOI10.1117/12.2573534
收录类别CPCI
ISBN号978-1-5106-3906-5
语种英语
ISSN号0277-786X;1996-756X
WOS记录号WOS:000632712800015
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/94611
专题瞬态光学研究室
通讯作者Li, Junli
作者单位1.Focuslight Technol Inc, 56 Zhangba 6th Rd, Xian 710077, Shaanxi, Peoples R China
2.Chinese Acad Sci, State Key Lab Transient Opt & Photon, Xian Inst Opt & Precis Mech, 17 Xinxi Rd,New Ind Pk, Xian, Shaanxi, Peoples R China
推荐引用方式
GB/T 7714
Li, Junli,Sun, Lichen,Liu, Ming,et al. A High-Performance Annularly Stacked Laser Diode Pump[C]:SPIE,2020.
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