Numerical simulation of the nonlinear optical response of bacteriorhodopsin

Gregory J. Kowalski

doi:10.1117/12.253464

7 October 1996 Numerical simulation of the nonlinear optical response of bacteriorhodopsin

Gregory J. Kowalski

Proceedings Volume 2853, Nonlinear Optical Liquids; (1996) https://doi.org/10.1117/12.253464
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

The numerical simulation of the nonlinear optical behavior of bacteriorhodopsin in a solution of water is described. Relationships for the intensity dependent absorption coefficient and index of refraction are developed and used in the numerical simulation of bacteriorhodopsin as an optical limiter and as defocussing element for laser pulses in the picosecond regime. The algorithm is a transient finite volume method that is coupled with a 'ray model' of the radiation which simultaneously solves the heat transfer and Maxwell's equations. The nonlinear behavior of the material is included in this analysis using a modified Euler predictor-corrector integration technique. Calculated power limiting and z-scan curves are in qualitative agreement with experiments. These results indicate that the code can be used to investigate and optimize optical systems which use the nonlinear behavior of bacteriorhodopsin.

Citation Download Citation

Gregory J. Kowalski "Numerical simulation of the nonlinear optical response of bacteriorhodopsin", Proc. SPIE 2853, Nonlinear Optical Liquids, (7 October 1996); https://doi.org/10.1117/12.253464

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