Impact of fill factor on collimation of diode laser stack slow axis beam

Wang Yuefeng; Lei Chengqiang; Yin Zhiyong; Yin Shaoyun; Sun Xiuhui; Wang Junzhen

doi:10.11884/HPLPB201527.051010

Volume 27 Issue 05

Apr. 2015

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Article Navigation > High Power Laser and Particle Beams > 2015 > 27(05): 051010

Dai Huanyao, Zhou Bo, Mo Cuiqiong, et al. Electromagnetic interference mechanism and simulation in polarization for mono-pulse radar seeker[J]. High Power Laser and Particle Beams, 2015, 27: 103241. doi: 10.11884/HPLPB201527.103241

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Wang Yuefeng, Lei Chengqiang, Yin Zhiyong, et al. Impact of fill factor on collimation of diode laser stack slow axis beam[J]. High Power Laser and Particle Beams, 2015, 27: 051010. doi: 10.11884/HPLPB201527.051010

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Impact of fill factor on collimation of diode laser stack slow axis beam

doi: 10.11884/HPLPB201527.051010

1.
Department of Electronic and Optics Engineering,Ordnance Engineering College,Shijiazhuang 050003,China;
2.
Department of Space Command,Academy of Equipment,Beijing 101416,China;
3.
Integrated Optics and Electronic Center,Chongqing Institute of Green and Intelligent Technology,Chinese Academy of Sciences,Chongqing 400714,China

Received Date: 2015-01-06
Rev Recd Date: 2015-03-17
Publish Date: 2015-04-24

Abstract

Abstract

In order to realize the beam shaping of high-power diode laser stack by microlens array, the technique of high-power diode laser stack slow axis direction beam collimation is researched, the high-power diode laser stack is accompanied with micro-cylindrical-lens of fast axis collimation. On the basis of the analysis of the slow axis direction beam collimation, the impact of fill factor in the slow axis on the beam collimation is studied chiefly, and the collimating programs of diode lasers with different fill factors are analyzed. Using the bar as the collimating unit for the high-power diode laser stack with the fill factor 0.5, we test the remaining divergence angle of slow axis direction beam after collimation by the testing equipment based on space scanning, and achieve the half of the remaining divergence angle 2.12. The experimental results show that the collimating way of diode laser slow axis direction beam is effective.
- laser optics,
- diode laser stack,
- slow axis collimation,
- cylindrical lens,
- remaining divergence angle

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Impact of fill factor on collimation of diode laser stack slow axis beam

doi: 10.11884/HPLPB201527.051010

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Impact of fill factor on collimation of diode laser stack slow axis beam

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