Thermal Model Of A Switching Fabry-Perot Etalon

Bertrand G. Bovard; H.Angus Macleod

doi:10.1117/12.941857

2 February 1988 Thermal Model Of A Switching Fabry-Perot Etalon

Bertrand G. Bovard, H.Angus Macleod

Proceedings Volume 0821, Modeling of Optical Thin Films; (1988) https://doi.org/10.1117/12.941857
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

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.

Citation Download Citation

Bertrand G. Bovard and H.Angus Macleod "Thermal Model Of A Switching Fabry-Perot Etalon", Proc. SPIE 0821, Modeling of Optical Thin Films, (2 February 1988); https://doi.org/10.1117/12.941857

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