2008/09/02 by M. L. Gorodetsky, Michael L. Gorodetsky
Engineering · Physics and Astronomy · #Acoustics #Advanced Frequency and Time Standards #Coating #Compensation (psychology) #Composite material #Computer science #Geology #Geophysics and Sensor Technology #Gravitational wave #Interferometry #Materials science #Noise (video) #Optical coating #Optics #Phase (matter) #Phase noise #Photothermal therapy #Physics #Pulsars and Gravitational Waves Research #Reflection (computer programming) #Substrate (aquarium) #Thermal #Thermoelastic damping #cond-mat.mtrl-sci #cond-mat.other
paper · pdf · doi:10.1016/j.physleta.2008.09.056
10 pages, 5 figures
arxiv created 2008/09/02 · openalex publication_date 2008/10/15 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Thermal fluctuations of different origin in the substrate and in the coating of optical mirrors produce phase noise in the reflected wave. This noise determines the ultimate stabilization capability of high-Q cavities used as a reference system. In particular this noise is significant in interferometric laser gravitational wave antennas. It is shown that simple alteration of a mirror multilayer coating may provide suppression of phase noise produced by thermorefractive, thermoelastic, photothermal and thermoradiation induced fluctuations in the coating.