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Proceedings Paper

Experimental demonstration of the van Cittert-Zernike theorem for random electromagnetic fields
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Paper Abstract

In scalar coherence theory, the van Cittert-Zernike theorem plays an importance role for studying the propagation processes of partially coherent fields. In the past few years, a lot of work has been done to describe an extension of the van Cittert-Zernike theorem in terms of the 2×2 matrix to examine coherence and polarization properties of the field generated by a partially polarized incoherent electromagnetic beam. In this paper, we would like to experimentally demonstrate the unified theory of coherence and polarization of random electromagnetic beams by a modified radial shearing interferometer, which may be regarded as a tensor version of van Cittert-Zernike theorem. The experimental results show that the mutual intensity matrix of the electromagnetic field produced by a polarized incoherent source increases on propagation whereas the degree of the polarization remains unchanged.

Paper Details

Date Published: 27 March 2015
PDF: 9 pages
Proc. SPIE 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014), 94494E (27 March 2015); doi: 10.1117/12.2076027
Show Author Affiliations
Juan Zhao, Heriot-Watt Univ. (United Kingdom)
Ailing Tian, Xi'an Technological Univ. (China)
Wei Wang, Heriot-Watt Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 9449:
The International Conference on Photonics and Optical Engineering (icPOE 2014)
Ailing Tian; Anand Asundi; Weiguo Liu; Chunmin Zhang, Editor(s)

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