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Berlin 2014 – scientific programme

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A: Fachverband Atomphysik

A 44: Precision measurements and metrology I (with Q)

A 44.1: Group Report

Thursday, March 20, 2014, 14:00–14:30, DO24 1.101

Technology development in Hannover for the space-based gravitational wave detector LISA — •Michael Tröbs, Simon Barke, Iouri Bykov, Oliver Gerberding, Jan-Simon Hennig, Katharina Isleif, Maike Lieser, Jens Reiche, Sönke Schuster, Gerhard Heinzel, and Karsten Danzmann — AEI Hannover

The Laser Interferometer Space Antenna (LISA) is a future space-based gravitational wave detector consisting of three satellites. LISA shall act as a Michelson interferometer and measure distance variations between free-floating test masses inside the satellites.

We give a brief overview on programmatics and report on work performed in Hannover on the main optical instrument (the optical bench) comprising the interferometers, the electronic device to read out the phase changes (the phasemeter) and the phase reference between two optical benches on a spacecraft (backlink).

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