Four Wave Mixing Characteristics Of Sodium Vapor Under High Reflectivity Conditions

J. Brock; J. Fukumoto; F. Patterson; W. Carrion; G. Holleman; L. Marabella

doi:10.1117/12.939699

22 April 1988 Four Wave Mixing Characteristics Of Sodium Vapor Under High Reflectivity Conditions

J. Brock, J. Fukumoto, F. Patterson, W. Carrion, G. Holleman, L. Marabella

Proceedings Volume 0739, Phase Conjugation, Beam Combining, and Diagnostics; (1988) https://doi.org/10.1117/12.939699
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States

Abstract

Four wave mixing (FWM) performance of sodium vapor was investigated in the strong pump regime (IÃ‚Â»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.

Citation Download Citation

J. Brock, J. Fukumoto, F. Patterson, W. Carrion, G. Holleman, and L. Marabella "Four Wave Mixing Characteristics Of Sodium Vapor Under High Reflectivity Conditions", Proc. SPIE 0739, Phase Conjugation, Beam Combining, and Diagnostics, (22 April 1988); https://doi.org/10.1117/12.939699

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