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Characterization of Large-Area Crystalline Coatings for Next-Generation Gravitational Wave Detectors

: Cole, G.D.; Deutsch, C.; Follman, D.; Heu, P.; Zederbauer, T.; Rai, A.; Bachmann, D.; Finck, A. von; Schröder, S.; Koch, P.; Lück, H.


Optical Society of America -OSA-, Washington/D.C.:
CLEO: Science and Innovations : Part of CLEO 2018; 13-18 May 2018, San Jose, California, United States
Washington, DC: OSA, 2018
ISBN: 978-1-943580-42-2
Paper SM3L.6, 2 pp.
Conference on Lasers and Electro-Optics - Science and Innovations (CLEO S&I) <2018, San Jose/Calif.>
Conference Paper
Fraunhofer IOF ()

Through in-depth optical characterization including thickness uniformity and optical scatter measurements, we demonstrate that large-area crystalline coatings are a promising alternative to ion-beam sputtered multilayers for low-noise mirrors employed in next-generation gravitational wave detectors.