10 October 1997 Numerical simulation of a saturable absorbing material in the femtosecond regime
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The numerical simulation of the short time response, femtoseocond to picosecond regime, of a saturable absorbing material is described. Transient relationships for the intensity and temperature dependent absorption coefficient and index of refraction are included. The thermal response includes a hyperbolic microscale heat transfer mechanism. Initial results are reported for the calculated transmitted intensity, excited state population and temperature field of a slugglish saturable Kerr medium. This short time model can be used to investigate the onset of thermally stimulated nonlinear optical behavior, the "switch on" time, and other short time effects.
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Gregory J. Kowalski, Gregory J. Kowalski, Richard A. Whalen, Richard A. Whalen, } "Numerical simulation of a saturable absorbing material in the femtosecond regime", Proc. SPIE 3146, Nonlinear Optical Liquids and Power Limiters, (10 October 1997); doi: 10.1117/12.284157; https://doi.org/10.1117/12.284157

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