Gaussian Schell-model beams propagating through polarization gratings



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Piquero Sanz, Gemma María and Borghi, Riccardo and Santarsiero, Massimo (2001) Gaussian Schell-model beams propagating through polarization gratings. Journal of the Optical Society of America A-Optics Image Science And Vision, 18 (6). pp. 1399-1405. ISSN 0740-3232

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The effects of polarization gratings on partially coherent beams are investigated by studying a Gaussian Schell-model beam impinging on a linear polarizer whose transmission axis varies periodically along one transverse direction. Analytical expressions for the beam polarization-coherence matrix after the grating are obtained. In particular, the evolution of the degree of polarization upon propagation is analyzed. Different behaviors of the output beam, depending on the beam parameters and on the period of the grating, are exhibited. In particular, it is shown that, by suitably choosing the latter quantities, it is possible to obtain not only any desirable value of the degree of polarization of the output beam but also particular distributions of such. parameters across the transverse sections of the beam.

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© 2001 Optical Society of America. We thank Franco Gori for many helpful discussions during the preparation of this work. We acknowledge the project Azioni Integrate HI-1998-077 for support. One of the authors (G. Piquero) is grateful for support from the project PB97-295 and the program Becas Internacionales U.C.M/Flores Valles.

Uncontrolled Keywords:Matrix, Laser, Field
Subjects:Sciences > Physics > Optics
ID Code:23470
Deposited On:11 Nov 2013 10:03
Last Modified:21 Jun 2022 17:06

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