Fringe counting system for control of a Fabry-Perot spectrometer

Chris A. Forden; William J. Glaccum; Jacqueline Fischer; Howard A. Smith

doi:10.1117/12.55687

1 September 1990 Fringe counting system for control of a Fabry-Perot spectrometer

Chris A. Forden, William J. Glaccum, Jacqueline Fischer, Howard A. Smith

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Optical Engineering, Vol. 29, Issue 9, (September 1990). https://doi.org/10.1117/12.55687

Abstract

We have developed optical measurement and control techniques that allow stable, precise adjustment and tracking of Fabry-Perot plate parallelism and spacing over a distance of many fringes with a precision of 20 nm. This extension of the range of optical position sensing has proved useful in controlling a cryogenic, electromagnetically driven, infrared spectrometer for astronomy.

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Chris A. Forden, William J. Glaccum, Jacqueline Fischer, and Howard A. Smith "Fringe counting system for control of a Fabry-Perot spectrometer," Optical Engineering 29(9), (1 September 1990). https://doi.org/10.1117/12.55687

Published: 1 September 1990

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