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Average patterns and coherent phenomena in wide aperture lasers

D'Alessandro, G. and Papoff, F. and Louvergneaux, E. and Glorieux, P. (2004) Average patterns and coherent phenomena in wide aperture lasers. Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 69 (6). 066212-1. ISSN 1063-651X

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Abstract

Using a realistic model of wide aperture, weakly astigmatic lasers we develop a framework to analyze experimental average intensity patterns. We use the model to explain the appearance of patterns in terms of the modes of the cavity and to show that the breaking of the symmetry of the average intensity patterns is caused by overlaps in the frequency spectra of nonvanishing of modes with different parity. This result can be used even in systems with very fast dynamics to detect experimentally overlaps of frequency spectra of modes.

Item type: Article
ID code: 2957
Keywords: lasers, intensity patterns, frequency spectra, optics, Optics. Light
Subjects: Science > Physics > Optics. Light
Department: Faculty of Science > Physics
Related URLs:
    Depositing user: Mr Derek Boyle
    Date Deposited: 23 Feb 2007
    Last modified: 04 Oct 2012 11:52
    URI: http://strathprints.strath.ac.uk/id/eprint/2957

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