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Proceedings Paper

The behavior of branch points in laser propagation through atmosphere
Author(s): Xiao-lu Ge; Cheng-yu Fan; Xiao-xing Feng; Cheng-feng Li; Xiao-juan Liu; Li-ping Guo; Gong-xiang Wei
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Paper Abstract

Numerical experiments are carried out about the temporal and spatial variation of branch points by four-dimension code of laser propagating in atmosphere. The theory of branch-point detection and phase reconstruction is introduced. The act of branch points' creating and annihilating is emulated when the light wave propagating in atmosphere. The evolvement of branch points in some propagating range with time is emulated, too. The behavior of branch points in the distorted optical field is simulated when the main laser and beacon laser propagate in the atmosphere with opposite direction at the same time. The work could provide a reference for further study of laser propagation through atmosphere and adaptive optics system.

Paper Details

Date Published: 26 November 2012
PDF: 7 pages
Proc. SPIE 8557, Optical Design and Testing V, 85570H (26 November 2012); doi: 10.1117/12.981963
Show Author Affiliations
Xiao-lu Ge, Anhui Institute of Optics and Fine Mechanics (China)
Shandong Univ. of Technology (China)
Cheng-yu Fan, Anhui Institute of Optics and Fine Mechanics (China)
Xiao-xing Feng, Anhui Institute of Optics and Fine Mechanics (China)
Cheng-feng Li, Shandong Univ. of Technology (China)
Xiao-juan Liu, Shandong Univ. of Technology (China)
Li-ping Guo, Shandong Univ. of Technology (China)
Gong-xiang Wei, Shandong Univ. of Technology (China)


Published in SPIE Proceedings Vol. 8557:
Optical Design and Testing V
Yongtian Wang; Chunlei Du; Hong Hua; Kimio Tatsuno; H. Paul Urbach, Editor(s)

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