Statistical properties of a cylindrical vector partially coherent beam in turbulent atmosphere |
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Authors: | Rong Chen Yiming Dong Fei Wang Yangjian Cai |
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Institution: | 1. School of Physical Science and Technology, Soochow University, Suzhou, 215006, China 2. Department of Physics, Shaoxing University, Shaoxing, 312000, China
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Abstract: | Cylindrical vector (CV) partially coherent beam was introduced (Dong et al. Opt Express 19:5979–5992, 2011) and generated (Wang et al. Appl Phys Lett 100:051108, 2012) recently. In this paper, we derive the realizability conditions for a CV partially coherent beam, and we derive the analytical formula for the cross-spectral density matrix of a CV partially coherent beam propagating in turbulent atmosphere based on the extended Huygens-Fresnel formula. The statistical properties, such as the average intensity, the complex degree of coherence and the degree of polarization of a CV partially coherent beam in turbulent atmosphere are studied in detail and compared with those in free space. It is found that the statistical properties of a CV partially coherent beam in turbulent atmosphere are much different from those in free space, and are affected by the initial beam parameters. |
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