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Proceedings Paper

Numerical simulation of the nonlinear optical response of bacteriorhodopsin
Author(s): Gregory J. Kowalski
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Paper 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.

Paper Details

Date Published: 7 October 1996
PDF: 9 pages
Proc. SPIE 2853, Nonlinear Optical Liquids, (7 October 1996); doi: 10.1117/12.253464
Show Author Affiliations
Gregory J. Kowalski, Northeastern Univ. (United States)

Published in SPIE Proceedings Vol. 2853:
Nonlinear Optical Liquids
Christopher M. Lawson, Editor(s)

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