|Table of Contents|

Propagation of Decentered Twist Anisotropic Gaussian-Schell Model Beam in Turbulent Atmosphere

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2009年02期
Page:
199-203
Research Field:
Publishing date:

Info

Title:
Propagation of Decentered Twist Anisotropic Gaussian-Schell Model Beam in Turbulent Atmosphere
Author(s):
WANG Hai-yanLI Xiang-yin
School of Sciences,NUST,Nanjing 210094,China
Keywords:
laser propagation decentered twisted anisotropic Gaussian-Schell model beams turbulent atmosphere complex curvature tensors
PACS:
O436
DOI:
-
Abstract:
Based on the extended Huygens-Fresnel integral,analytical formulas are derived for the propagation of a decentered twisted anisotropic Gaussian-Schell model(DTAGSM) beam in a turbulent atmosphere by the use of partially coherent complex curvature tensor.Propagation properties of a DTAGSM beam in a turbulent atmosphere are investigated in detail.It is found that a DTAGSM beam becomes a circular and non-decentered beam in a turbulent atmosphere.Decentered parameter along with the propagation distance decreases more slowly as turbulent strength decreases,twisted parameters increase and coherence slows down.Using partially coherent complex curvature tensor in treating the propagation and transformation of all classes of Gaussian-Schell model beams is a useful and convenient method.

References:

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