High reflectivity grating waveguide coatings for 1064nm
arXiv:gr-qc/0608006 · doi:10.1088/0264-9381/23/24/007
Abstract
We propose thin single-layer grating waveguide structures to be used as high-reflectivity, but low thermal noise, alternative to conventional coatings for gravitational wave detector test mass mirrors. Grating waveguide (GWG) coatings can show a reflectivity of up to 100% with an overall thickness of less than a wavelength. We theoretically investigate GWG coatings for 1064nm based on tantala (Ta2O5) on a Silica substrate focussing on broad spectral response and low thickness.
References in corpus (4)
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