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25 September 2017 Experimental demonstration of reduced tilt-to-length coupling by using imaging systems in precision interferometers
M. Tröbs, M. Chwalla, K. Danzmann, G. Fernández Barránco, E. Fitzsimons, O. Gerberding, G. Heinzel, C. J. Killow, M. Lieser, M. Perreur-Lloyd, D. I. Robertson, S. Schuster, T. S. Schwarze, H. Ward, M. Zwetz
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Proceedings Volume 10562, International Conference on Space Optics — ICSO 2016; 1056245 (2017) https://doi.org/10.1117/12.2296137
Event: International Conference on Space Optics — ICSO 2016, 2016, Biarritz, France
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].
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M. Tröbs, M. Chwalla, K. Danzmann, G. Fernández Barránco, E. Fitzsimons, O. Gerberding, G. Heinzel, C. J. Killow, M. Lieser, M. Perreur-Lloyd, D. I. Robertson, S. Schuster, T. S. Schwarze, H. Ward, and M. Zwetz "Experimental demonstration of reduced tilt-to-length coupling by using imaging systems in precision interferometers", Proc. SPIE 10562, International Conference on Space Optics — ICSO 2016, 1056245 (25 September 2017); https://doi.org/10.1117/12.2296137
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KEYWORDS
Imaging systems
Diodes
Interferometers
Telescopes
Beam splitters
Device simulation
Space telescopes
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