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Dresden 2011 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 57: Poster 3: Quantengase, Ultrakalte Atome, Ultrakalte Moleküle, Materiewellen Optik, Präzisionsmessungen, Metrologie

Q 57.106: Poster

Thursday, March 17, 2011, 16:30–19:30, P1

LISA Backlinkfiber - Return loss of a polarization maintaining single-mode optical fiber — •Jan Rybizki, Roland Fleddermann, Michael Tröbs, Gerhard Heinzel, and Karsten Danzmann — Max-Planck Institute for Gravitational Physics (Albert-Einstein-Institute) Hannover and QUEST, Leibniz University Hannover

The Laser Interferometer Space Antenna (LISA) mission by ESA and NASA for the detection of gravitational waves in the frequency range from 0.1 mHz to 1 Hz requires optical fibers for the intrasatellite transfer of light between the optical benches.

The so called Backlinkfiber introduces new noise mostly by its own backreflection (return loss) which effectively looks like a non-reciprocal phase shift and thus enters the final science measurement.

A setup to quantify these reflections for different fibers and the results with implications on possible solutions to minimize the noise will be presented.

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