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  The LTP interferometer and phasemeter

Heinzel, G., Wand, V., Garcia, A., Jennrich, O., Braxmaier, C., Robertson, D., et al. (2004). The LTP interferometer and phasemeter. Classical Quantum Gravity, 21(5), S581-S587.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-500D-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-500E-1
Genre: Conference Paper

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 Creators:
Heinzel, Gerhard1, Author              
Wand, V.1, Author              
Garcia, Antonio1, Author              
Jennrich, Oliver1, 2, Author
Braxmaier, Claus1, 2, Author
Robertson, D.1, 2, Author
Middleton, Kevin1, 2, Author
Hoyland, D.1, 2, Author
Rüdiger, Albrecht1, Author              
Schilling, Roland1, Author              
Johann, Ulrich1, 2, Author
Danzmann, Karsten1, Author              
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              
2AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24009              

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 Abstract: The LISA Technology Package (LTP), to be launched by ESA in 2006/2007, is a technology demonstration mission in preparation for the LISA space-borne gravitational wave detector. A central part of the LTP is the optical metrology package (heterodyne interferometer with phasemeter) which monitors the distance between two test masses with a noise level of 10 pm Hz-1/2 between 3 mHz and 30 mHz. It has a dynamic range of >100 µm without any actuators for the pathlength. In addition to the longitudinal measurements, it provides alignment measurements with an expected noise level of <10 nrad Hz-1/2. While the basic design has been described previously by Heinzel et al (2003 Class. Quantum Grav. 20 S153–61), this paper gives new details on the laser stabilization, the phasemeter and recent prototype results.

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Language(s): eng - English
 Dates: 2004-05-07
 Publication Status: Published in print
 Pages: -
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 Identifiers: eDoc: 118534
DOI: 10.1088/0264-9381/21/5/029
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Title: 5th Edoardo Amaldi Conference on Gravitational Waves
Place of Event: Tirrenia, Italy
Start-/End Date: 2003-07-06 - 2003-07-11

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Title: Classical Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 21 (5) Sequence Number: - Start / End Page: S581 - S587 Identifier: ISSN: 0264-9381