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Development of 808 nm Quasi-Continuous Wave Laser Diode Bar with 600 W Output Power
其他题名808nm准连续600W高功率半导体激光芯片研制
Wang, Zhenfu1; Li, Te1; Yang, Guowen1,2; Song, Yunfei1; Yang, Guowen (yangguowen@opt.ac.cn)
作者部门瞬态光学技术国家重点实验室
2017-06-10
发表期刊Zhongguo Jiguang/Chinese Journal of Lasers
ISSN02587025
卷号44期号:6
产权排序1
摘要

Design of 808 nm epitaxial layer structure is demonstrated, and a very low internal loss less than 0.5 cm-1is achieved. The quasi-continuous wave (QCW) high peak power 808 nm laser bar is fabricated with this high efficiency wafer. The bar with a filled factor of 85%, emitter number of 60, emitting width of 140 μm, and cavity length of 2 mm is measured at QCW mode. The peak power is 613 W with a slope efficiency of 1.34 W/A (drive current of 500 A, pulse width of 200 μs, repetition frequency of 400 Hz, duty ratio of 8%). The peak wavelength is about 807.46 nm with a spectral half-width full-maximum of 2.88 nm. The lifetime test is also demonstrated at QCW 300 W (8% duty ratio), the lifetime of five bars is all above 3.63×109shot, the current fluctuation is lower than 10% at the constant power of 300 W, which satisfies commercial application requirement. © 2017, Chinese Lasers Press. All right reserved.

DOI10.3788/CJL201744.0601004
收录类别EI
语种中文
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/29185
专题瞬态光学研究室
通讯作者Yang, Guowen (yangguowen@opt.ac.cn)
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; Shaanxi; 710119, China
2.Xi'an Lumcore Optoelectronics Technologies Co., Ltd., Xi'an; Shaanxi; 710077, China
推荐引用方式
GB/T 7714
Wang, Zhenfu,Li, Te,Yang, Guowen,et al. Development of 808 nm Quasi-Continuous Wave Laser Diode Bar with 600 W Output Power[J]. Zhongguo Jiguang/Chinese Journal of Lasers,2017,44(6).
APA Wang, Zhenfu,Li, Te,Yang, Guowen,Song, Yunfei,&Yang, Guowen .(2017).Development of 808 nm Quasi-Continuous Wave Laser Diode Bar with 600 W Output Power.Zhongguo Jiguang/Chinese Journal of Lasers,44(6).
MLA Wang, Zhenfu,et al."Development of 808 nm Quasi-Continuous Wave Laser Diode Bar with 600 W Output Power".Zhongguo Jiguang/Chinese Journal of Lasers 44.6(2017).
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