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Proceedings Paper

Fabry-Perot temperature dependence and surface-mounted optical cavities
Author(s): Richard W. Fox
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Paper 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.

Paper Details

Date Published: 12 August 2008
PDF: 8 pages
Proc. SPIE 7099, Photonics North 2008, 70991R (12 August 2008); doi: 10.1117/12.806850
Show Author Affiliations
Richard W. Fox, National Institute of Standards and Technology (United States)


Published in SPIE Proceedings Vol. 7099:
Photonics North 2008

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