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Proceedings Paper

Numerical package for modeling optical limiters
Author(s): Chiu-Tai Law; Grover A. Swartzlander Jr.
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Paper Abstract

A numerical software package for (2 plus 1)-dimensional simulation of optical limiters has been developed. The purpose of this effort is to provide the sensor protection community with a means to develop, understand, and optimize optical limiters. A graphics interface has been implemented to guide the user in both running the program and interpreting the results. Scientific visualization tools have been integrated with the package to facilitate a physical understanding of the numerical results. We have used it successfully to perform (2 plus 1)-dimensional nonlinear propagation of a focused optical beam with arbitrary intensity profile, such as Gaussian or tophat profile, in a f/5 system. The package can handle various nonlinear mechanisms, including intensity dependent refraction and absorption. Non-local nonlinearities such as thermal effects may be included as a modular subprogram. Temporal effects may also be included by simulating the integrated spatio-temporal evolution of the light and material properties, although this approach is memory- intensive and often requires the use of a super-computer.

Paper Details

Date Published: 7 October 1996
PDF: 12 pages
Proc. SPIE 2853, Nonlinear Optical Liquids, (7 October 1996); doi: 10.1117/12.253465
Show Author Affiliations
Chiu-Tai Law, Univ. of Wisconsin/Milwaukee (United States)
Grover A. Swartzlander Jr., Worcester Polytechnic Institute (United States)

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

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