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Opt Express. 2009 Mar 16;17(6):4257-62.

Polarization modulation of stochastic electromagnetic beams on propagation through the turbulent atmosphere.

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Department of Physics, Zhejiang University, Hangzhou 310027, China.


Analytic expression is derived for the cross-spectral density matrix of a stochastic electromagnetic beam truncated by a slit aperture and passing through the turbulent atmosphere. The new formula can be used in study of the modulation in the spectral degree of polarization of the electromagnetic Gaussian Schell-model beam on propagation. We find that the spectral degree of polarization in the output plane can be directly controlled by the width of the slit aperture. The effect of polarization shaping is also illustrated by numerical examples.


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