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Experimental studies of a nonlinear interface

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4 Author(s)
Smith, P.W. ; United Technologies Corporation, Norwalk, CN, USA ; Tomlinson, W.J. ; Maloney, P. ; Hermann, J.P.

We describe the results of a detailed experimental study of the reflectivity of a nonlinear interface under the influence of intense ruby laser pulses incident in a Gaussian beam at grazing angles. The nonlinear interface was the interface between a linear optical material (glass) and a nonlinear material with a positive optical Kerr coefficient (CS2). Optical hysteresis was observed as a function of incident light intensity. The nonlinear reflectivity showed behavior which differs from the predictions of previously published plane-wave calculations. We interpret our results with the aid of a numerical analysis of a two-dimensional Gaussian beam case.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:17 ,  Issue: 3 )