Gaussian Schell-model beams propagating through polarization gratings | Zendy

Gemma Piquero | Zendy; Riccardo Borghi | Zendy; Massimo Santarsiero | Zendy

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Gaussian Schell-model beams propagating through polarization gratings

Author(s) -

Gemma Piquero,

Riccardo Borghi,

Massimo Santarsiero

Publication year - 2001

Publication title -

journal of the optical society of america a

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.803

H-Index - 158

eISSN - 1520-8532

pISSN - 1084-7529

DOI - 10.1364/josaa.18.001399

Subject(s) - polarizer , optics , degree of polarization , polarization (electrochemistry) , physics , grating , transverse plane , coherence (philosophical gambling strategy) , degree of coherence , beam (structure) , gaussian , radial polarization , linear polarization , laser beam quality , laser beams , birefringence , scattering , laser , quantum mechanics , chemistry , structural engineering , engineering

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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