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18 August 1992 Material requirements for optical limiting
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Optical limiting devices based on nonlinear optical (NLO) materials exhibit a throughput radiation level that is related to the magnitude of the nonlinear material parameters. In order to determine the upper bound on optical limiting performance in a variety of configurations it is necessary to establish the limitations of the NLO materials themselves. Various physical mechanisms responsible for NLO behavior in the visible spectral region are examined. Some of the largest effective nonlinearities are derived. These large nonlinear values are then compared to the nonlinearities required to protect the human eye from Q-switched visible laser pulses in a 0° field-of-view (FOV) "thin" cell limiter.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gary L. Wood, Andrew G. Mott, and Edward J. Sharp "Material requirements for optical limiting", Proc. SPIE 1692, Nonlinear and Electro-Optic Materials for Optical Switching, (18 August 1992);

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