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Proceedings Paper

The Role Of Focusing For A Bistable Fabry-Perot Etalon With A Local Saturable Nonlinearity
Author(s): Ulf Andersson; Olof Sahlen
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Paper Abstract

The non-linear wave-equation has been solved numerically for a Fabry-Perot etalon, assuming a cylindrical symmetric gaussian input beam, a local mixed dispersive and absorptive saturable nonlinearity and an additional nonsaturable background absorption term. The role of focusing has been systematically investigated for both absorptive and dispersive bistability. Whole-beam switching occurs under tight focusing conditions. But, in the case of defocusing and absorptive bistability, a further reduction of spotsize results in loss of the hysteresis characteristics. Thus, thisposes a restriction on the minimum spotsize and, hence on the minimum input power, for bistable operation.

Paper Details

Date Published: 8 January 1987
PDF: 6 pages
Proc. SPIE 0700, 1986 Intl Optical Computing Conf, (8 January 1987); doi: 10.1117/12.936943
Show Author Affiliations
Ulf Andersson, The Royal Institute of Technology (Sweden)
Olof Sahlen, The Royal Institute of Technology (Sweden)

Published in SPIE Proceedings Vol. 0700:
1986 Intl Optical Computing Conf
Asher A. Friesem; Emanuel Marom; Joseph Shamir, Editor(s)

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