Analytical Representations for the Truncated Spectral Characteristics of the Four-Point Coherence Function of a Laser Beam in a Turbulent Medium

2022 ◽  
Author(s):  
N. N. Rogovtsov ◽  
V. Ya. Anissimov
Keyword(s):  
Laser Beam ◽  
Spectral Characteristics ◽  
Coherence Function ◽  
Turbulent Medium

ANALYTICAL REPRESENTATIONS FOR THE TRUNCATED SPECTRAL CHARACTERISTICS OF THE FOUR-POINT COHERENCE FUNCTION OF A LASER BEAM IN A TURBULENT MEDIUM

2021 ◽  
Vol 88 (6) ◽  
pp. 872-880
Author(s):  
N. N. Rogovtsov ◽  
V. Ya. Anissimov
Keyword(s):  
Functional Equation ◽  
Refractive Index ◽  
Laser Beam ◽  
Spectral Characteristic ◽  
Spectral Characteristics ◽  
Coherence Function ◽  
Turbulent Medium ◽  
Analytical Expressions

New analytical representations for the truncated spectral characteristics of the four-point coherence function of a laser beam propagating in a turbulent medium are obtained. These representations are valid for any level of fluctuations of the refractive index in air. For two particular cases they turn into exact analytical representations previously derived by the authors with using of an integro-functional equation for truncated spectral characteristic of the four-point coherence function. A constructive procedure for obtaining approximate analytical expressions of the four-point coherence function of a laser beam propagating in a turbulent medium is proposed.

Broadening of a laser beam in a turbulent medium

1967 ◽  
Vol 10 (1) ◽  
pp. 33-35 ◽  
Author(s):  
Z. I. Feizulin ◽  
Yu. A. Kravtsov
Keyword(s):  
Laser Beam ◽  
Turbulent Medium

Optical Processing of the Phase Correlation Induced by a Turbulent Medium in a Laser Beam

1970 ◽  
Vol 9 (4) ◽  
pp. 962 ◽  
Author(s):  
M. Bertolotti ◽  
M. Carnevale ◽  
B. Daino ◽  
D. Sette
Keyword(s):  
Laser Beam ◽  
Turbulent Medium ◽  
Phase Correlation ◽  
Optical Processing
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