Laser Radar in Turbulent Atmosphere: Effect of Target with Arbitrary Roughness on 2nd and 4th Order Statistics of Gaussian beam

O. Korotkova; L. C. Andrews; R. L. Phillips

doi:10.1117/12.486785

Laser Radar in Turbulent Atmosphere: Effect of Target with Arbitrary Roughness on 2^nd and 4^th Order Statistics of Gaussian beam

O. Korotkova, L. C. Andrews, R. L. Phillips

Research output: Contribution to journal › Conference article › peer-review

8 Scopus citations

Abstract

Analytic expressions for the mutual coherence function and the scintillation index of the lowest order Gaussian beam as a function of target roughness are developed for a bistatic configuration in weak and strong atmospheric turbulence. Results are based on Rytov theory and Kolmogorov spectrum model. The surface roughness is modeled by a thin complex phase screen with a Gaussian spectrum. The limiting cases of perfectly smooth and Lambertian targets are deduced. The particular cases of incident spherical and plane waves are also considered.

Original language	English (US)
Pages (from-to)	173-183
Number of pages	11
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	5086
DOIs	https://doi.org/10.1117/12.486785
State	Published - Nov 26 2003
Externally published	Yes
Event	Laser Radar Technology and Applications VIII - Orlando, FL, United States Duration: Apr 22 2003 → Apr 25 2003

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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abstract = "Analytic expressions for the mutual coherence function and the scintillation index of the lowest order Gaussian beam as a function of target roughness are developed for a bistatic configuration in weak and strong atmospheric turbulence. Results are based on Rytov theory and Kolmogorov spectrum model. The surface roughness is modeled by a thin complex phase screen with a Gaussian spectrum. The limiting cases of perfectly smooth and Lambertian targets are deduced. The particular cases of incident spherical and plane waves are also considered.",

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AU - Korotkova, O.

AU - Andrews, L. C.

AU - Phillips, R. L.

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AB - Analytic expressions for the mutual coherence function and the scintillation index of the lowest order Gaussian beam as a function of target roughness are developed for a bistatic configuration in weak and strong atmospheric turbulence. Results are based on Rytov theory and Kolmogorov spectrum model. The surface roughness is modeled by a thin complex phase screen with a Gaussian spectrum. The limiting cases of perfectly smooth and Lambertian targets are deduced. The particular cases of incident spherical and plane waves are also considered.

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