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ID: 118534.0, MPI für Gravitationsphysik / Laser Interferometry & Gravitational Wave Astronomy
The LTP interferometer and phasemeter
Authors:Heinzel, Gerhard; Wand, V.; Garcia, Antonio; Jennrich, Oliver; Braxmaier, Claus; Robertson, D.; Middleton, Kevin; Hoyland, D.; Rüdiger, Albrecht; Schilling, Roland; Johann, Ulrich; Danzmann, Karsten
Language:English
Date of Publication (YYYY-MM-DD):2004-05-07
Title of Journal:Classical Quantum Gravity
Volume (in Journal):21
Issue / Number:5
Start Page:S581
End Page:S587
Name of Conference/Meeting:5th Edoardo Amaldi Conference on Gravitational Waves
Place of Conference/Meeting:Tirrenia, Italy
(Start) Date of Conference/Meeting
 (YYYY-MM-DD):
2003-07-06
End Date of Conference/Meeting 
 (YYYY-MM-DD):
2003-07-11
Review Status:not specified
Audience:Not Specified
Abstract / Description: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.
External Publication Status:published
Document Type:Conference-Paper
Communicated by:Karsten Danzmann
Affiliations:MPI für Gravitationsphysik/Teilinstitut Hannover
MPI für Gravitationsphysik/Laser Interferometry & Gravitational Wave Astronomy
Identifiers:ISSN:0264-9381
DOI:10.1088/0264-9381/21/5/029
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