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27 February 2015 Bringing mirrors to rest: grating concepts for ultra-precise interferometry
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Proceedings Volume 9372, High Contrast Metastructures IV; 93720F (2015) https://doi.org/10.1117/12.2081446
Event: SPIE OPTO, 2015, San Francisco, California, United States
Abstract
Experiments in the field of high precision metrology such as the detection of gravitational waves are crucially limited by the thermal fluctuations of the optical components. In this contribution we present the current state of knowledge of high contrast gratings (HCGs) as low-noise elements for gravitational wave interferometers. We discuss how the properties of HCGs can be tailored such that beside highly reflective mirrors also diffractive beam splitters can be realized. Further, we show the impact of such gratings on the sensitivity of future gravitational wave detectors which can pave the way for the new field of gravitational wave astronomy.
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Stefanie Kroker, Ernst-Bernhard Kley, and Andreas Tünnermann "Bringing mirrors to rest: grating concepts for ultra-precise interferometry", Proc. SPIE 9372, High Contrast Metastructures IV, 93720F (27 February 2015); https://doi.org/10.1117/12.2081446
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