Fabry-Perot temperature dependence and surface-mounted optical cavities

Richard W. Fox

doi:10.1117/12.806850

12 August 2008 Fabry-Perot temperature dependence and surface-mounted optical cavities

Richard W. Fox

Proceedings Volume 7099, Photonics North 2008; 70991R (2008) https://doi.org/10.1117/12.806850
Event: Photonics North 2008, 2008, Montréal, Canada

Abstract

Factors that contribute to the temperature dependence of a resonant frequency in a low-expansion optical cavity are discussed, including deformation at the cavity ends due to different coefficients of thermal expansion (CTE) of the spacer, optically-contacted mirror substrate and coating. A model of the temperature dependence is presented that incorporates finite-element-analysis of the cavity ends. A measurement of frequency versus temperature of a cavity mode is used along with the model to deduce a spacer's CTE versus temperature profile. The measured profile correlates very well with a separate experiment utilizing a temporary surface-mounted Fabry-Perot cavity fabricated on the outside of the spacer with hydroxy-catalysis bonding.

Citation Download Citation

Richard W. Fox "Fabry-Perot temperature dependence and surface-mounted optical cavities", Proc. SPIE 7099, Photonics North 2008, 70991R (12 August 2008); https://doi.org/10.1117/12.806850

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