Phase retrieval based on improved GS algorithm

Peng Jinmeng; Du Shaojun; Jiang Pengzhi

doi:10.3788/HPLPB20132502.0315

Volume 25 Issue 02

Dec. 2012

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(02): 315-318

Wang Wei, Fang Zhiheng, Jia Guo, et al. Direct-drive cylindrical target compression at Shenguang-Ⅱ laser facility[J]. High Power Laser and Particle Beams, 2013, 25: 2303-2306. doi: 10.3788/HPLPB20132509.2303

Citation:

Peng Jinmeng, Du Shaojun, Jiang Pengzhi. Phase retrieval based on improved GS algorithm[J]. High Power Laser and Particle Beams, 2013, 25: 315-318. doi: 10.3788/HPLPB20132502.0315

Citation:

Peng Jinmeng, Du Shaojun, Jiang Pengzhi. Phase retrieval based on improved GS algorithm[J]. High Power Laser and Particle Beams, 2013, 25: 315-318. doi: 10.3788/HPLPB20132502.0315

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Phase retrieval based on improved GS algorithm

doi: 10.3788/HPLPB20132502.0315

1.
College of Opto-electric Science and Engineering,National University of Defense Technology,Changsha 410073,China

Received Date: 2012-05-30
Rev Recd Date: 2012-09-04
Publish Date: 2013-02-10

Abstract

Abstract

In this paper, the GS algorithm used for phase retrieval is elaborated, and the application scope of this algorithm is expanded, no longer confined to the known pupil surface and the focal plane intensity. In the simulation, two vertical axial section of the beam are chosen, where the optical power is detected to retrieve several kinds of common phase aberration based on GS algorithm. An improved GS algorithm is brought forward, which adds two weight coefficients in the circulation. The range of the two weight coefficients is given, too. Results of the simulation show that both the speed and precision of GS algorithm are improved.
- adaptive optics,
- phase retrieval,
- phase measurement,
- wavefront sensing,
- improved GS algorithm

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