Uniform testing of beams in laser coherent beam combination

Li Bin; Ye Yidong; Yan Hong; Lu Fei; Luo Jia; Chen Li; Tian Fei; Ma Libin

doi:10.11884/HPLPB201426.081010

Volume 26 Issue 08

Jul. 2014

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Article Navigation > High Power Laser and Particle Beams > 2014 > 26(08): 081010

Wang Yu, Li Hongtao, Wang Wendou, et al. Simulation study on performances of rod-pinch diode on 1.2 MV X-ray generator Scorpio[J]. High Power Laser and Particle Beams, 2015, 27: 095005. doi: 10.11884/HPLPB201527.095005

Citation:

Li Bin, Ye Yidong, Yan Hong, et al. Uniform testing of beams in laser coherent beam combination[J]. High Power Laser and Particle Beams, 2014, 26: 081010. doi: 10.11884/HPLPB201426.081010

Citation:

Li Bin, Ye Yidong, Yan Hong, et al. Uniform testing of beams in laser coherent beam combination[J]. High Power Laser and Particle Beams, 2014, 26: 081010. doi: 10.11884/HPLPB201426.081010

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Uniform testing of beams in laser coherent beam combination

doi: 10.11884/HPLPB201426.081010

Li Bin^{1,2,3
,
,},
Ye Yidong^2,3,
Yan Hong^2,3,
Lu Fei^2,3,
Luo Jia^2,3,
Chen Li^2,3,
Tian Fei^2,3,
Ma Libin^2,3

1.
Graduate School of China Academy of Engineering Physics,Beijing 100088,China;
2.
Key Laboratory of Science and Technology on High Energy Laser,CAEP,Mianyang 621900,China;
3.
Institute of Applied Electronics,CAEP,Mianyang 621900,China

Received Date: 2013-09-10
Rev Recd Date: 2014-03-05
Publish Date: 2014-06-26

Abstract

Abstract

The coherent-beam-combining device and the requirements for optical-path adjustment were analyzed. Detecting the coherence of combined beams using the shearing interferometer was proposed. According to the principle of shearing interferometer, the physical model was constructed. Taking two coherent rectangular beams rectangling as an example, numerical simulation was studied on the relationship between the errors and the fringes. This method was visual, simple and precise. The results show that the existence of phase piston can be tested by shearing interferometer. So shearing interferometer could be a new method of detecting phase errors for coherent beam combination.
- laser beam combination,
- rectangular beam,
- beam uniform,
- shearing interferometer,
- optical path adjustment

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