Partially coherent sources with radial coherence



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Piquero Sanz, Gemma María and Santarsiero, Massimo and Martínez Herrero, María del Carmen and González de Sande, Juan Carlos and Alonzo, M. and Gori, Franco (2018) Partially coherent sources with radial coherence. Optics letter, 43 (10). pp. 2376-2379. ISSN 0146-9592

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Partially coherent sources with radial coherence are proposed. They present a circularly symmetric intensity profile and a degree of coherence whose absolute value only depends on the angular difference between the two considered points. In particular, the source is completely coherent at pairs of points belonging to the same radius. The modal structure of such sources is determined in the general case, and conditions are derived under which the field propagated in paraxial approximation remains radially coherent at any transverse plane. In such cases, the angular dependence of the correlation function is preserved upon propagation, although the intensity profile generally changes. An example of this kind of source has been experimentally synthesized by means of a simple setup, and its coherence characteristics have been tested by means of a Young inter-ferometer. (C) 2018 Optical Society of America.

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© 2018 Optical Society of America.
Ministerio de Economia y Competitividad (MINECO) (FIS2016-75147)

Uncontrolled Keywords:Cross-spectral densities; Schell-model beams; Spatial coherence; Generation; Propagation; Fields; Light
Subjects:Sciences > Physics > Optics
ID Code:48430
Deposited On:03 Jul 2018 17:01
Last Modified:22 Jun 2022 17:43

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