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Proceedings Paper

Spatial coherence and mean intensity of backscattered short-pulse optical radiation
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Paper Abstract

The function of mutual coherence of the field and the mean intensity of partially coherent pulsed optical radiation scattered by an atmospheric layer have been calculated. It is shown that as the pulse duration decreases, the spatial coherence of backscattered radiation improves in comparison with the coherence of scattered continuous-wave (cw) radiation. In contrast to cw radiation, which scatters uniformly in the backward direction, the backscattering of pulsed radiation becomes nonuniform for shorter pulses, and for ultrashort pulse durations the backscattered radiation is localized near the strictly backward direction in the zone with transverse dimensions comparable with the initial size of the sensing beam.

Paper Details

Date Published: 25 November 2014
PDF: 9 pages
Proc. SPIE 9292, 20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 92921L (25 November 2014); doi: 10.1117/12.2074662
Show Author Affiliations
V. A. Banakh, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
I. V. Zaloznaya, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)


Published in SPIE Proceedings Vol. 9292:
20th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics
Oleg A. Romanovskii, Editor(s)

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