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Proceedings Paper

Modeling nonlinear photonics of nonlinear fiber core for optical limiting application
Author(s): Iam-Choon Khoo; Michael V. Wood; Pao H. Chen; Min-Yi Shih; Atsushi Shishido; Andrew Diaz
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Paper Abstract

A quantitative model for nonlinear photonic absorption processes in a liquid and their effects in the nonlinear transmission and limiting of a laser pulse are studied. The theoretical simulation results accounting for two-photon- and excited-state absorption processes, and the dynamic evolution of the molecular level populations and propagation of picosecond and nanosecond laser pulses through a fiber core formed by such liquid are in good agreement with experimental observations. In pump-prove studies using picosecond and nanosecond laser pump pulses and cw probe, we have also observed oscillatory transmission associated with laser induced thermal/density effects. We also discuss applications of the supra optical nonlinearity of nematic liquid crystal film for anti-laser jamming and optical limiting operation against long-pulse or cw lasers.

Paper Details

Date Published: 29 November 2000
PDF: 8 pages
Proc. SPIE 4106, Linear, Nonlinear, and Power-Limiting Organics, (29 November 2000);
Show Author Affiliations
Iam-Choon Khoo, The Pennsylvania State Univ. (United States)
Michael V. Wood, The Pennsylvania State Univ. (United States)
Pao H. Chen, The Pennsylvania State Univ. (United States)
Min-Yi Shih, The Pennsylvania State Univ. (United States)
Atsushi Shishido, The Pennsylvania State Univ. (Japan)
Andrew Diaz, The Pennsylvania State Univ. (United States)

Published in SPIE Proceedings Vol. 4106:
Linear, Nonlinear, and Power-Limiting Organics
Manfred Eich; Christopher M. Lawson; Mark G. Kuzyk; Manfred Eich; Mark G. Kuzyk; Christopher M. Lawson; Robert A. Norwood, Editor(s)

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