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Darmstadt 2008 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 3: Präzisionsmessungen und Metrologie I

Q 3.4: Group Report

Monday, March 10, 2008, 15:30–16:00, 3D

LISA: Laser interferometry for the spaceborne gravitational wave detection — •Antonio Francisco Garcia Marin1, Felipe Guzman Cervantes1, Frank Steier1, Simon Barke1, Christian Diekmann1, Roland Fleddermann1, Benjamin Sheard1, Michael Tröbs1, Juan Jose Esteban Delgado1, Iouri Bykov1, Jens Reiche1, Oliver Jennrich2, Gerhard Heinzel1, and Karsten Danzmann11Albert-Einstein-Institut Hannover, Max-Planck-Institut für Gravitationsphysik and Universität Hannover, Germany — 2ESA ESTEC, Noordwijk, The Netherlands

The Laser Interferometer Space Antenna (LISA) is a joint ESA-NASA mission designed to observe gravitational waves in the frequency range between 0.1 to 100 mHz, where ground-based detectors are limited by terrestrial noise. Sources in this frequency range include supermassive black holes and galactic binary stars. LISA consists of three identical spacecraft separated by 5 million kilometers carrying a total of six free flying test masses in heliocentric drag-free orbit. The fluctuations in separation between two of these test masses located in different satellites will be measured by laser interferometry with picometre precision. I will present a brief overview of the LISA mission with special emphasis on the laser interferometry, the research field at the Albert Einstein Institute.

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