Two-dimensional beam shaping for beams with large aspect ratio and variable divergence angle

Zhou Xiaohong; Ren Xiaoming; Wei Chengfu; Liu Changchun; Meng Zhaorong; Guo Jianzeng; Mu Yan

doi:10.11884/HPLPB201729.160520

Volume 29 Issue 07

Jul. 2017

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Article Navigation > High Power Laser and Particle Beams > 2017 > 29(07): 071003

Zhou Xiaohong, Ren Xiaoming, Wei Chengfu, et al. Two-dimensional beam shaping for beams with large aspect ratio and variable divergence angle[J]. High Power Laser and Particle Beams, 2017, 29: 071003. doi: 10.11884/HPLPB201729.160520

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Zhou Xiaohong, Ren Xiaoming, Wei Chengfu, et al. Two-dimensional beam shaping for beams with large aspect ratio and variable divergence angle[J]. High Power Laser and Particle Beams, 2017, 29: 071003. doi: 10.11884/HPLPB201729.160520

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Two-dimensional beam shaping for beams with large aspect ratio and variable divergence angle

doi: 10.11884/HPLPB201729.160520

1.
The 718th Research Institute of CSIC,Handan 056027,China;
2.
Air Force Representative Office in Changchun,Changchun 130000,China

Received Date: 2016-11-16
Rev Recd Date: 2017-03-21
Publish Date: 2017-07-15

Abstract

Abstract

To achieve two-dimensional beam shaping, adapt to the parameter variation of divergence angle and beam size, improve beam quality, the article presents a two-dimensional beam shaping method for beams with large aspect ratio and variable divergence angle. Using beam transform matrix to analyze light path, adopting cylindrical lens and spherical lens for two-dimensional beam shaping, and adjusting lens positions and intervals dynamically, the method realizes separate regulation in dimensions x and y of beam size and divergence angle, corrects the lower order aberrations in real time, thus outputs beam of predetermined shape. Experimental study shows that the method has the advantages of simple structure, small comprehensive aberration and large adjustable range.
- laser,
- two-dimensional zooming beam shaping,
- large strip beam,
- variable divergence angle,
- beam transform matrix,
- lower order aberration

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