The photothermal effect in interferometers

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dc.creatorRao, Shanti R.
dc.date2002-10-09
dc.date.accessioned2026-07-07T03:27:14Z
dc.date.available2026-07-07T03:27:14Z
dc.descriptionWe have measured the photothermal effect in a single cross-polarized interferometer at audio frequencies (5 Hz - 4 kHz). In a Fabry-Perot interferometer, light in one polarization is chopped to periodically heat the interferometer mirrors, while light in the orthogonal polarization measures the mirror length changes. Tests of a polished solid metal mirror show good agreement with relevant proposed theories by Braginsky et al. ["Thermodynamical fluctuations and photo-thermal shot noise in gravitational wave antennae," Physics Letters A 264, 1-10 (1999)] and Cerdonio et al. ["Thermoelastic effects at low temperatures and quantum limits in displacement measurements," Physical Review D 63 082003 (2001)] describing uncoated optics.
dc.description26 pages, 13 figures
dc.identifierhttps://arxiv.org/abs/gr-qc/0210029
dc.identifierhttp://arxiv.org/abs/gr-qc/0210029
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/34356
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleThe photothermal effect in interferometers
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