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Phase-space inequality for partially coherent optical beams
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.
2001 (English)In: Optics Communications, ISSN 0030-4018, E-ISSN 1873-0310, Vol. 187, no 03-jan, 1-6 p.Article in journal (Refereed) Published
Abstract [en]

A phase-space inequality is derived for beams of arbitrary state of spatial coherence. It applies to the product of a factor which expresses the effective coherence area of the source that generates the beam and the effective angular spread of the beam; and, by analogy with coherent beams, it may be regarded as a measure of the beam quality. It is found that the factor attains a minimum for the entire class of Gaussian Schell-model beams (which include the Hermite Gaussian laser mode).

Place, publisher, year, edition, pages
2001. Vol. 187, no 03-jan, 1-6 p.
Keyword [en]
optical beams, coherence theory, beam quality, intensity
Identifiers
URN: urn:nbn:se:kth:diva-20283ISI: 000166371700001OAI: oai:DiVA.org:kth-20283DiVA: diva2:338977
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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