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Optical Engineering

Optical Pulse Modulation And Optical Hysteresis In A Nonlinear Cadmium Sulfide Etalon At Room Temperature
Author(s): Paul Michael Petersen
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Paper Abstract

Pulse-shaping experiments in a 100 Am thick CdS etalon have been performed with a pulsed frequency-doubled Nd-YAG laser. The incident laser pulse produces changes in the refractive index, and the CdS etalon is tuned over a few resonances. From these experiments a refractive index change in CdS of An = 0.0035 can be estimated. We also report pulse-shortening experiments with the CdS etalon. Finally, we have investigated the self-refraction of Gaussian laser beams in the CdS sample. We observe self-defocusings, which indicate that the dominant mechanism for the nonlinear refraction is not of thermal origin.

Paper Details

Date Published: 1 March 1988
PDF: 4 pages
Opt. Eng. 27(3) 273234 doi: 10.1117/12.7977919
Published in: Optical Engineering Volume 27, Issue 3
Show Author Affiliations
Paul Michael Petersen, Technical University of Denmark (Denmark)


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