Free-space propagation of the spectral degree of cross-polarization of stochastic electromagnetic beams

Sahin, Serkan; Korotkova, Olga; Zhang, Guowen; Pu, Jixiong

doi:10.1088/1464-4258/11/8/085703

Cited by 16 publications

(6 citation statements)

References 19 publications

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“…is often called degree of cross-polarization in applications where beam wave pair is formed by a polarization components of a light beam 37 . The SPD requirement for the coherence matrix is a generalization of the scalar case (22).…”

Section: Schell -Type Beam Pairsmentioning

confidence: 99%

“…When analysis is started from the predetermined analytical form of the correlation matrix, complying with the SPD requirements is getting somewhat complicated. There are several papers addressing this problem mostly for a simple case of the Gaussian-Schell beam pairs [30][31][32][33][37][38][39]43,44 . We will use our constructive approach and create coherence matrices starting from some feasible, albeit imaginary, experimental setup.…”

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confidence: 99%

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Coherence of beam arrays propagating in the turbulent atmosphere

Charnotskii

2010

SPIE Proceedings

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We analyze some recent publications addressing propagation of the partially coherent polarized beams and beam arrays in the turbulent atmosphere. We show that the published results are limited to the scalar propagation model, and are not particular to the beam polarization. Therefore these results are equally relevant for the scalar beam pairs and arrays discriminated by some parameters such as small frequency shift, time delay or geometry, but not necessary the polarization. We use the virtual incoherent source model to derive the general form of the mutual coherence function of the two Schell-type beams. We discuss some physical stochastic models that result in the creation of the Schell-type beams and beam arrays. New classes of the uniformly, nonuniformly and nonlocally coherent beam pairs emerge naturally from this analysis. Rigorous, Markov approximation-based, propagation model provides relatively simple analytic results for the second-order moments of the optical field of the partially-coherent individual beams and beam pairs. We examine the changes of the beam mutual coherence in the process of the free-space propagation and propagation through the turbulent atmosphere.

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Section: Schell -Type Beam Pairsmentioning

confidence: 99%

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confidence: 99%

Coherence of beam arrays propagating in the turbulent atmosphere

Charnotskii

2010

SPIE Proceedings

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“…Besides the above investigations, close attention has been paid to the intensity correlations of a broad class of electromagnetic random beams propagating or scattering from various media. For example, analytical expressions were derived for the CIF of a stochastic electromagnetic beam propagating in free space [2][3][4][5]. It was also revealed that the degree of polarization of a partially coherent, partially polarized beam in the space-time domain is closely related to its CIF [6].…”

Section: Introductionmentioning

confidence: 99%

Correlation between intensity fluctuations of light generated by scattering of Young’s diffractive electromagnetic waves by a quasi-homogeneous, anisotropic medium

Chen

2016

Laser Phys. Lett.

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Based on the first-order Born approximation, formulas are derived for the correlation between intensity fluctuations (CIF) of light generated by a Young's diffractive electromagnetic wave scattered by a spatially quasi-homogeneous (QH), anisotropic medium. It is shown that the CIF of the scattered field can be written as the summation of the Fourier transforms of the strengths and normalized correlation coefficients (NCCs) of the scattering potentials. The differences between our results and those obtained in the previous literature are discussed. Our results might be important in investigating the high-order intensity correlation of an electromagnetic wave scattered from a 3D anisotropic object.

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“…Recently the spectral degree of cross-polarization of pairs of points in a stochastic electromagnetic beam has been studied [10][11][12][13][14]. The spectral degree of cross-polarization of a stochastic electromagnetic beam like field on propagations through the turbulent atmosphere is analyzed [15].…”

Section: Introductionmentioning

confidence: 99%