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Proceedings Paper

Simulation of wavefront optimization with volume Bragg grating in photothermorefractive glass
Author(s): Xiaojie Sun; Fan Gao; Jianjun Zhao; Xiao Yuan; Xiang Zhang
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Paper Abstract

Optimization for the wavefront distortion based on volume Bragg gratings (VBGs) recorded in photothermorefractive glasses (PTR) is simulated. A beam with different wavefront distortions is the incident on VBGs at the Bragg angle. The wavefront distribution of diffracted beam through two orthogonal VBGs is simulated based on the angular spectrum theory and the coupled wave theory. Four VBGs with different angular selectivity are used to simulate and optimize the wavefront distribution. The simulation results show that the wavefront distribution can be optimized with the VBGs of suitable angular selectivity. The PV value and the RMS value can be improved. The far field quality of laser beams is optimized.

Paper Details

Date Published: 9 November 2016
PDF: 6 pages
Proc. SPIE 10016, High-Power Lasers and Applications VIII, 100161X (9 November 2016); doi: 10.1117/12.2246382
Show Author Affiliations
Xiaojie Sun, Soochow Univ. (China)
Fan Gao, Soochow Univ. (China)
Jianjun Zhao, Huazhong Univ. of Science and Technology (China)
Xiao Yuan, Soochow Univ. (China)
Key Lab. of Advanced Optical Manufacturing Technologies of Jiangsu Province (China)
Key Lab. of Modern Optical Technologies of Education Ministry of China (China)
Xiang Zhang, Soochow Univ. (China)
Key Lab. of Advanced Optical Manufacturing Technologies of Jiangsu Province (China)
Key Lab. of Modern Optical Technologies of Education Ministry of China (China)


Published in SPIE Proceedings Vol. 10016:
High-Power Lasers and Applications VIII
Ruxin Li; Upendra N. Singh; Robert F. Walter, Editor(s)

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