
Proceedings Paper
Method of evaluation of the mutual coherence function of laser beams and its application for symmetric dark hollow beamsFormat | Member Price | Non-Member Price |
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Paper Abstract
In our report, a method of evaluation of the mutual coherence function (MCF) of optical wave propagating in turbulent
atmosphere is proposed. The method is based on using inverse Fresnel transform and 2-D Fast Fourier Transformation
procedure (FFT) and provides a high accuracy in various propagation conditions from weak up to strong optical
turbulence regime. This technique allows significantly reducing the evaluation time of MCF. The proposed method is
suitable for optical waves with arbitrary initial distribution of amplitude and phase. Results of investigations on the
degradation of coherence of symmetric dark hollow beams (DHB) propagating in turbulent atmosphere are presented.
Analysis of evolution of MCF is brought up, and some characteristics of DHB, such as mean intensity distribution, and
moments of Wigner distribution are calculated for various kinds of profiles of structural characteristic of refractive
index. All of the evaluations for DHB are fulfilled for Kolmogorov spectrum of correlation function of refractive index
fluctuations. The comparison between mean intensity calculations within the proposed method and method based on
semi-analytical approach using of quadratic approximation of spherical wave structure function, is presented.
Paper Details
Date Published: 10 February 2011
PDF: 7 pages
Proc. SPIE 7924, Atmospheric and Oceanic Propagation of Electromagnetic Waves V, 792406 (10 February 2011); doi: 10.1117/12.876486
Published in SPIE Proceedings Vol. 7924:
Atmospheric and Oceanic Propagation of Electromagnetic Waves V
Olga Korotkova, Editor(s)
PDF: 7 pages
Proc. SPIE 7924, Atmospheric and Oceanic Propagation of Electromagnetic Waves V, 792406 (10 February 2011); doi: 10.1117/12.876486
Show Author Affiliations
V. A. Banakh, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
D. A. Marakasov, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
D. S. Rytchkov, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
D. A. Marakasov, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
D. S. Rytchkov, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
Published in SPIE Proceedings Vol. 7924:
Atmospheric and Oceanic Propagation of Electromagnetic Waves V
Olga Korotkova, Editor(s)
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