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Optical Engineering

Effect of recondensation on the optical quality of a cleared channel in a water cloud
Author(s): Andrew Zardecki
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Paper Abstract

The interactions of high-energy laser beams with aerosols are studied in the diffusive regime within the framework of a nonlinear transport equation. A numerical algorithm allows us to advance along the distance of propagation by using spatial steps small compared to the scattering optical depth. We emphasize the effect of laser-assisted imaging, in which—due to the cloud clearing—the roll-off of the modulation transfer function decreases with the distance of propagation. We study the effect of recondensation on the propagation of a low-energy laser beam. The principal findings are the independence of the pulse shape of the turbulence strength and the suppression of the high-energy laser-assisted imaging effect.

Paper Details

Date Published: 1 February 1991
PDF: 5 pages
Opt. Eng. 30(2) doi: 10.1117/12.55779
Published in: Optical Engineering Volume 30, Issue 2
Show Author Affiliations
Andrew Zardecki, Los Alamos National Lab. (United States)

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