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Proceedings Paper

Electron Density Fluctuations In A Disturbed Ionospheric Environment
Author(s): J D Huba; G Ganguli
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Paper Abstract

Electron density fluctuations in the earth's ionosphere can adversely affect SDIO systems which involve electromagnetic wave propagation, e.g., laser beams. This is particularly true for severely disturbed ionospheric conditions produced by high altitude nuclear explosions (HANEs). In this paper we briefly describe, in general terms, the HANE environment, and the various plasma instabilities which could generate small-scale 10's m) electron density irregularities. As an example, we present an analysis of a single instability, the lower-hybrid-drift instability, which is likely to be excited in the ionosphere following a high altitude burst. Both the linear and nonlinear behavior of this instability are discussed. We describe how these results can be applied to potential SDIO laser systems in a HANE environment.

Paper Details

Date Published: 8 April 1988
PDF: 7 pages
Proc. SPIE 0874, Nonlinear Optical Beam Manipulation, Beam Combining, and Atmospheric Propagation, (8 April 1988); doi: 10.1117/12.943870
Show Author Affiliations
J D Huba, Naval Research Laboratory (United States)
G Ganguli, Science Applications International Corporation (United States)

Published in SPIE Proceedings Vol. 0874:
Nonlinear Optical Beam Manipulation, Beam Combining, and Atmospheric Propagation
Robert A. Fisher, Editor(s)

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