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Thermal Noise Reduction Techniques for High Precision Interferometric Measurements

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Abstract

An overview of some thermal noise reduction techniques (Khalili cavities and etalons, modified amorphous dielectric coatings, crystalline coatings, monolithic coatings, cooling etc.) will be given including those foreseen for the sub-SQL experiment in the AEI-10m-prototype interferometer facility in Hannover, Germany, where suspension thermal noise is mitigated by using monolithic fused-silica suspensions and coating thermal noise by using crystalline AlGaAs coatings with large beam spots.

© 2017 Optical Society of America

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