Atomic Structure of Amorphous Optical Coatings of TiO${}_2$-doped GeO${}_2$ by Grazing-Incidence Total X-ray Scattering Measurements

K. Prasai, J. Jiang, K. Lee +13

Reducing coating thermal noise in future gravitational-wave detectors requires identifying the atomic motifs that control mechanical loss in amorphous optical coatings. We combine…