Direct measurement of coating thermal noise in optical resonators
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PhysRevD.98.122001.pdf
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988.92 KB
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Author(s)
Gras, Slawomir
Evans, Matthew J
Date Issued
December 2018
Journal
Physical Review D
Publisher
American Physical Society
Citation
Gras, S. and M. Evans. "Direct measurement of coating thermal noise in optical resonators." Physical Review D 98 (2018), 122001.
Version
Final published version
Abstract
The best measurements of space and time currently possible (e.g., gravitational-wave detectors and optical reference cavities) rely on optical resonators, and are ultimately limited by thermally induced fluctuations in the reflective coatings which form the resonator. We present measurements of coating thermal noise in the audio band and show that for a standard ion-beam sputtered coating, the power spectrum of the noise does not have the expected power-law behavior.
MIT Department
MIT Kavli Institute for Astrophysics and Space Research
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1103/PhysRevD.98.122001
