Correlation of bifrequency beam propagating in a folded turbulent path

Zhengfang Song; Jun Ma

doi:10.1117/12.46579

1 July 1991 Correlation of bifrequency beam propagating in a folded turbulent path

Zhengfang Song, Jun Ma

Proceedings Volume 1487, Propagation Engineering: Fourth in a Series; (1991) https://doi.org/10.1117/12.46579
Event: Orlando '91, 1991, Orlando, FL, United States

Abstract

Correlation of bifrequency beam propagating in a folded turbulent atmospheric path reflected by plane mirror is analyzed and a theoretical expression of correlation coefficient is developed by using Kolmogorov turbulence model in this paper. It is noted that in this optical path the greater the difference between two frequencies is, the worse the correlation will be. The correlation coefficient for folded path is larger than that for direct path when the Fresnel parameter becomes smaller than a certain value and vice versa. The aperture averaging effect has the same characteristics.

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Zhengfang Song and Jun Ma "Correlation of bifrequency beam propagating in a folded turbulent path", Proc. SPIE 1487, Propagation Engineering: Fourth in a Series, (1 July 1991); https://doi.org/10.1117/12.46579

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KEYWORDS

Wave propagation

Atmospheric propagation

Beam propagation method

Spherical lenses

Mirrors

Laser beam propagation

Turbulence

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