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Proceedings Paper

Four Wave Mixing Characteristics Of Sodium Vapor Under High Reflectivity Conditions
Author(s): J. Brock; J. Fukumoto; F. Patterson; W. Carrion; G. Holleman; L. Marabella
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Paper Abstract

Four wave mixing (FWM) performance of sodium vapor was investigated in the strong pump regime (I»I at) necessary to achieve good phase conjugate reflectivity, R. Reflectivities >230% were observed using narrowband CW pump powers less than 1 W. Degenerate FWM spectral response was measured with R as a parameter, and shown to depend on self-focusing effects at higher R. The field of view of the sodium FWM was determined under narrowband high R conditions and found to behave as expected, except for nearly collinear geometries. Faith-ful imaging through a severe optical aberration was demonstrated at moderate R, but experimental observations and analysis indicate potential fidelity problems at large R. Reflect-ivity and field of view were also measured for wideband (2 GHz) laser pumping.

Paper Details

Date Published: 22 April 1988
PDF: 9 pages
Proc. SPIE 0739, Phase Conjugation, Beam Combining, and Diagnostics, (22 April 1988); doi: 10.1117/12.939699
Show Author Affiliations
J. Brock, TRW (United States)
J. Fukumoto, TRW (United States)
F. Patterson, TRW (United States)
W. Carrion, TRW (United States)
G. Holleman, TRW (United States)
L. Marabella, TRW (United States)

Published in SPIE Proceedings Vol. 0739:
Phase Conjugation, Beam Combining, and Diagnostics
Ira Abramowitz; Robert A. Fisher, Editor(s)

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