Variable Free Spectral Range Spherical Mirror Fabry-Perot Interferometer
Katherine Kerner, Simon M. Rochester, Valeriy V. Yashchuk, and D., Budker
TL;DR
This paper presents a spherical Fabry-Perot interferometer with adjustable mirror spacing that produces interference fringes with variable frequency separation, derived from cavity eigenmode analysis.
Contribution
It introduces a novel spherical interferometer design with tunable spectral range based on cavity eigenmode considerations.
Findings
Interference fringes with frequency separation (c/2L)/N for N=2-15.
Conditions for observing these fringes derived from cavity eigenmodes.
Demonstrates adjustable spectral resolution in spherical Fabry-Perot interferometers.
Abstract
A spherical Fabry-Perot interferometer with adjustable mirror spacing is used to produce interference fringes with frequency separation (c/2L)/N, N=2-15. The conditions for observation of these fringes are derived from the consideration of the eigenmodes of the cavity with high transverse indices.
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Taxonomy
TopicsAdvanced Measurement and Metrology Techniques · Optical measurement and interference techniques · Optical Polarization and Ellipsometry