The far-field spatial coherence of Gaussian Schell-model beam in turbulence in terms of position vectors |
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Authors: | Wei Lu Liren Liu Jianfeng Sun Dashan Li |
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Institution: | Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, No. 390, Qinghe Road, P.O. Box 800-211, Jiading, Shanghai 201800, China |
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Abstract: | Spatial coherence properties of beam produced by Gaussian Schell-model source when the beam is propagating through atmosphere have been analyzed in terms of position vectors. New expressions for cross-spectral density of optical field and spectral degree of coherence as well as radiant intensity have been developed. Numerical results illustrated in this paper indicate the coherence degradation suffered from atmospheric turbulence and their directional dependence. |
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