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Proceedings Paper

Thermal Model Of A Switching Fabry-Perot Etalon
Author(s): Bertrand G. Bovard; H.Angus Macleod
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Paper Abstract

Thermal behavior of optical thin films subjected to laser irradiation is modeled by coupling the one-dimensional heat flow equations with the characteristic matrix formalism developed to describe the optical properties of thin-film multilayers. The heat flow has two major effects on multilayer behavior: first, differential expansion of adjacent layers can create stress and second, the temperature dependence of the refractive index can affect optical performance. We have chosen to test this model by simulating the thermally induced bistability of a Fabry-Perot etalon. The transmittance peak of such an etalon is extremely sensitive to the optical thickness of its spacer layer because the electric field of the incident light beam is maximized there. Such models can also be applied to studies of thermal- and laser-induced damage in optical materials and to other models dealing with the growth of coatings.

Paper Details

Date Published: 2 February 1988
PDF: 11 pages
Proc. SPIE 0821, Modeling of Optical Thin Films, (2 February 1988); doi: 10.1117/12.941857
Show Author Affiliations
Bertrand G. Bovard, University of Arizona (United States)
H.Angus Macleod, University of Arizona (United States)

Published in SPIE Proceedings Vol. 0821:
Modeling of Optical Thin Films
Michael Ray Jacobson, Editor(s)

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