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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 73, Iss. 5 — May. 1, 1983
  • pp: 617–623

Thermally induced phase-conjugation efficiency and beamquality studies

M. H. Garrett and H. J. Hoffman  »View Author Affiliations


JOSA, Vol. 73, Issue 5, pp. 617-623 (1983)
http://dx.doi.org/10.1364/JOSA.73.000617


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Abstract

Aspects of thermally induced nonlinearities in the index of refraction are investigated for the case of degenerate four-wave mixing (DFWM). An expression for the reflectivity is derived within the framework of a coupled thermodynamic–electromagnetic theory, and some implications for the conjugation efficiency are briefly discussed. We also report on experimental measurements of phase-conjugate reflectivities in excess of 200% at 532 nm and comment on the role of saturation effects and pump delays in obtaining the observed efficiencies. Finally, the results of near-field conjugation beam-quality studies are presented with a view toward examining some of the parameters crucial to conjugation fidelity in typical DFWM experimental setups.

© 1983 Optical Society of America

Citation
M. H. Garrett and H. J. Hoffman, "Thermally induced phase-conjugation efficiency and beamquality studies," J. Opt. Soc. Am. 73, 617-623 (1983)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-73-5-617

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