Propagation of optical pulses through dense scattering media

Leelavathi, H and Pichamuthu, JP (1988) Propagation of optical pulses through dense scattering media. Applied Optics, 27 (12). pp. 2461-2468. ISSN 0003-6935

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Abstract

A diffusion model is developed for describing the propagation of optical pulses through dense scattering media (clouds). The model invokes both one- dimensional and three-dimensional diffusion and is valid even for clouds of only a few diffusion thicknesses. The predictions of the model are compared to experimental pulse shapes obtained by other workers for real clouds and scale model clouds and by Monte Carlo simulations. Comparisons indicate that the ratio of the three-dimensional to the one-dimensional component in the transmitted pulse increases with both the diffusion thickness of the cloud and the field of view of the receiver. Knowledge of the impulse response of a cloud of known length is sufficient to determine the diffusion length and hence the average scattering coefficient of the cloud.

Item Type: Journal Article
Uncontrolled Keywords: Cloud cover;Light scattering;Optical communication;Particle diffusion;Pulse communication;Laser outputs;Optical thickness;Time lag;Transfer functions
Subjects: PHYSICS > Physics(General)
Division/Department: Materials Science Division, Materials Science Division
Depositing User: M/S ICAST NAL
Date Deposited: 11 Mar 2008
Last Modified: 24 May 2010 09:55
URI: http://nal-ir.nal.res.in/id/eprint/4368

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