Experimental demonstration of reduced tilt-to-length coupling by using imaging systems in precision interferometers

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Authors

K. Danzmann · Leibniz University Hannover

Germán Fernández Barranco

Gerhard Heinzel · Leibniz University Hannover

C. J. Killow · University of Glasgow

M. Lieser

M. Perreur-Lloyd · University of Glasgow

D. I. Robertson · University of Glasgow

Sönke Schuster

Abstract

Angular misalignment of one of the interfering beams in laser interferometers can couple into the interferometric length measurement and is called tilt-to-length (TTL) coupling in the following. In the noise budget of the planned space-based gravitational-wave detector evolved Laser Interferometer Space Antenna (eLISA) [1, 2] TTL coupling is the second largest noise source after shot noise [3].

Topics & Keywords

Optical and Acousto-Optic Technologies Geophysics and Sensor Technology Advanced Measurement and Metrology Techniques

Publication Details

DOI: 10.1117/12.2296137

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Experimental demonstration of reduced tilt-to-length coupling by using imaging systems in precision interferometers

Authors

Abstract

Topics & Keywords

Publication Details