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Cross-spectral purity of electromagnetic fields
KTH, School of Information and Communication Technology (ICT), Optics and Photonics, Optics.
2009 (English)In: Optics Letters, ISSN 0146-9592, E-ISSN 1539-4794, Vol. 34, no 24, 3866-3868 p.Article in journal (Refereed) Published
Abstract [en]

We extend Mandel's scalar-wave concept of cross-spectral purity to electromagnetic fields. We show that in the electromagnetic case, assumptions similar to the scalar cross-spectral purity lead to a reduction formula, analogous with the one introduced by Mandel. We also derive a condition that shows that the absolute value of the normalized zeroth two-point Stokes parameter of two cross-spectrally pure electromagnetic fields is the same for every frequency component of the field. In analogy with the scalar theory we further introduce a measure of the cross-spectral purity of two electromagnetic fields, namely, the degree of electromagnetic cross-spectral purity.

Place, publisher, year, edition, pages
2009. Vol. 34, no 24, 3866-3868 p.
Keyword [en]
stokes parameters, coherence theory, polarization
Identifiers
URN: urn:nbn:se:kth:diva-19053ISI: 000272836900035Scopus ID: 2-s2.0-72649094153OAI: oai:DiVA.org:kth-19053DiVA: diva2:337100
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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