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Intensity fluctuations and the degree of polarization in Gaussian random electromagnetic fields
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2004 (English)In: Riao/Optilas 2004: 5th Iberoamerican Meeting On Optics And 8th Latin American Meeting On Optics, Lasers, And Their Applications, Pts 1-3: Ico Regional Meeting / [ed] Marcano, A; Paz, JL, 2004, Vol. 5622, 1124-1128 p.Conference paper (Refereed)
Abstract [en]

For an electromagnetic beam described by Gaussian statistics the normalized intensity fluctuations are known to depend on the beam's degree of polarization. With general non-paraxial random electromagnetic waves, such as optical near fields, a complete characterization of the polarization state requires a 3 x 3 coherence matrix and a three-dimensional degree of polarization. We demonstrate that, under the assumption of Gaussian statistics, the normalized intensity fluctuations in the three-dimensional case are expressible in terms of the three-dimensional degree of polarization. Since such a general description can be employed even for beams with only a transverse electric field, several important physical results follow from comparison of the three-dimensional and usual two-dimensional formulations. The results are expected to be particularly important in intensity interferometry.

Place, publisher, year, edition, pages
2004. Vol. 5622, 1124-1128 p.
, Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X ; 5622
Keyword [en]
intensity fluctuation, degree of polarization, Gaussian statistics
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-44391DOI: 10.1117/12.591611ISI: 000225617300212ScopusID: 2-s2.0-17744369729ISBN: 0-8194-5575-XOAI: diva2:450542
5th Iberoamerican Meeting on Optics/8th Latin American Meeting on Optics, Lasers, and Their Applications Location: Porlamar, VENEZUELA Date: OCT 03-08, 2004
QC 20111021Available from: 2011-10-21 Created: 2011-10-20 Last updated: 2011-10-21Bibliographically approved

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Friberg, Ari T.
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Microelectronics and Information Technology, IMIT
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