8 March 1989 "Non-Lagrangian" Parametric Interaction Of Light Waves
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Proceedings Volume 1017, Nonlinear Optical Materials; (1989) https://doi.org/10.1117/12.949978
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany
Energy exchange between counter propagating light waves of equal frequency is possible in media with instantaneous and local nonlinear optical response which, however, provides a special form of nonlinearity tensor. The major requirement is that there has to be no Lagrangian describing the light-medium interaction. There is a limited region of the pump wave intensity where the signal wave amplification takes place. The thermal mechanisms of interaction between light waves and liquid crystals provide examples of "non-Lagrangian" nonlinearity.
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Nelson V. Tabiryan, Nelson V. Tabiryan, Boris Ya. Zel'dovich, Boris Ya. Zel'dovich, } ""Non-Lagrangian" Parametric Interaction Of Light Waves", Proc. SPIE 1017, Nonlinear Optical Materials, (8 March 1989); doi: 10.1117/12.949978; https://doi.org/10.1117/12.949978

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