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Spectrally partially coherent propagation-invariant fields
KTH, School of Information and Communication Technology (ICT), Microelectronics and Applied Physics, MAP.
2009 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 80, no 5Article in journal (Refereed) Published
Abstract [en]

Polychromatic propagation-invariant fields (localized waves) with variable spectral coherence properties are considered. A bridge is provided between coherent propagation-invariant pulses, including Bessel pulses, X-waves and focus wave modes, and stationary polychromatic propagation-invariant fields using a difference-frequency spectral-correlation model. In the space-time domain, this assumption leads to a representation of a partially coherent field as a continuum of spectrally fully coherent, mutually independent pulses originating at different instants of time. The influence of partial spectral coherence on temporal coherence and pulse shape as well as intensity distribution and transverse spatial coherence is illustrated by considering fields with propagation-invariant Bessel-mode monochromatic components.

Place, publisher, year, edition, pages
2009. Vol. 80, no 5
Keyword [en]
Bessel functions, light coherence, light propagation, nondiffracting x-waves, ultrashort pulses, localized waves, light-sources, beams, representation, generation, modes
Identifiers
URN: urn:nbn:se:kth:diva-19005DOI: 10.1103/PhysRevA.80.053804ISI: 000272310000150Scopus ID: 2-s2.0-70350774075OAI: oai:DiVA.org:kth-19005DiVA: diva2:337052
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2011-01-20Bibliographically approved

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