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Polarization dynamics of random 3D light fields
KTH, School of Information and Communication Technology (ICT), Optics and Photonics (Closed 20120101). Aalto University, Finland .
2010 (English)In: 2010 9th Euro-American Workshop on Information Optics, WIO 2010, 2010, 5582490- p.Conference paper (Refereed)
Abstract [en]

We study the time evolution of the instantaneous polarization state, i.e., the polarization dynamics of random, statistically stationary three-dimensional electromagnetic fields. Two intensity-normalized polarization correlation functions which characterize the similarity of the polarization state at two times are presented. One of them is based on the generalized instantaneous Poincaré vectors and the other on the Jones vectors. We discuss the basic properties of the correlation functions and define a polarization time as a time interval over which the state of polarization does not significantly change. If the field obeys Gaussian statistics the polarization correlation functions are expressible in terms of certain second-order, measurable parameters characterizing the partial polarization and partial coherence of the field. We exemplify the formalism with a uniformly partially polarized, temporally Gaussian correlated field, and with the field at the intersection of three orthogonally propagating, linearly polarized and mutually correlated beams. The results are expected to find use in applications where the polarization fluctuations of a three-dimensional field play an important role.

Place, publisher, year, edition, pages
2010. 5582490- p.
Keyword [en]
Basic properties, Correlation function, Gaussian statistics, Gaussians, Instantaneous polarization, Jones vector, Light fields, Linearly polarized, Parameters characterizing, Partial coherence, Partial polarization, Poincare, Polarization correlation, Polarization dynamics, Polarization fluctuations, Polarization state, Polarization time, Second orders, State of polarization, Time evolutions, Time interval, Electromagnetic fields, Three dimensional, Polarization
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URN: urn:nbn:se:kth:diva-149704DOI: 10.1109/WIO.2010.5582490ScopusID: 2-s2.0-78149428717ISBN: 978-142448227-6OAI: diva2:741275
2010 9th Euro-American Workshop on Information Optics, WIO 2010, 12 July 2010 through 16 July 2010, Helsinki, Finland

QC 20140827

Available from: 2014-08-27 Created: 2014-08-26 Last updated: 2014-08-27Bibliographically approved

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Friberg, Ari T.
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Optics and Photonics (Closed 20120101)
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