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Partially coherent electromagnetic beams propagating through double-wedge depolarizers



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Piquero Sanz, Gemma María and González de Sande, Juan Carlos and Santarsiero, Massimo and Gori, Franco (2014) Partially coherent electromagnetic beams propagating through double-wedge depolarizers. Journal of Optics, 16 (3). ISSN 2040-8978

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Official URL: http://dx.doi.org/10.1088/2040-8978/16/3/035708



The irradiance and polarization characteristics of quasi-monochromatic partially coherent electromagnetic beams are analyzed when they propagate after passing through a deterministic linear optical element, i.e., an optical element that can be represented by a Jones matrix. A class of such optical elements, which includes double-wedge depolarizers and polarization gratings, is defined and studied in detail. Analytical expressions are obtained for the case of double-wedge depolarizers and examples are given for an incident Gaussian Schell-model beam. For such an input beam, the effects on the irradiance and degree of polarization of the field propagating beyond the optical element are investigated in detail. A rich variety of behaviors is obtained by varying the beam size, coherence width and polarization state of the input field. The results not only provide a mathematical extension of well-known results to the domain of partial coherence, but they also exemplify mixing between coherence and polarization, which is, of course, not possible if, for example, fully spatially coherent fields are analyzed.

Item Type:Article
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© 2014 IOP Publishing Ltd

Uncontrolled Keywords:Schell-Model Beams, Lyot Depolarizer, Polarization, Light, Gratings, Crystals, Systems, Domains, Matrix
Subjects:Sciences > Physics > Optics
ID Code:25274
Deposited On:09 May 2014 11:48
Last Modified:09 May 2014 11:48

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