Journal
APPLIED OPTICS
Volume 46, Issue 22, Pages 5347-5351Publisher
OPTICAL SOC AMER
DOI: 10.1364/AO.46.005347
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The possibility of constructing an optical sensor for temperature monitoring based on the Goos-Hanchen (GH) effect is explored using a theoretical model. This model considers the lateral shift of the incident beam upon reflection from a metal-dielectric interface, with the shift becoming a function of temperature due mainly to the temperature dependence of the optical properties of the metal. It is found that such a sensor can be most effective by using long wavelength p-polarized incident light at almost grazing incidence onto the metal, where significant variation of negative GH shifts can be observed as a function of the temperature. (C) 2007 Optical Society of America.
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