Numerical simulation of a saturable absorbing material in the femtosecond regime

Gregory J. Kowalski; Richard A. Whalen

doi:10.1117/12.284157

10 October 1997 Numerical simulation of a saturable absorbing material in the femtosecond regime

Gregory J. Kowalski, Richard A. Whalen

Proceedings Volume 3146, Nonlinear Optical Liquids and Power Limiters; (1997) https://doi.org/10.1117/12.284157
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

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.

Citation Download Citation

Gregory J. Kowalski and 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); https://doi.org/10.1117/12.284157

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