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          Institute: MPI für Gravitationsphysik     Collection: Laser Interferometry & Gravitational Wave Astronomy     Display Documents

ID: 251037.0, MPI für Gravitationsphysik / Laser Interferometry & Gravitational Wave Astronomy
Phase locking to a LISA arm: first results on a hardware model
Authors:Garcia Marin, Antonio Francisco; Heinzel, Gerhard; Schilling, Roland; Rüdiger, Albrecht; Wand, Vinzenz; Steier, Frank; Cervantes, Felipe Guzman; Weidner, Andreas; Jennrich, Oliver; Meca, Francisco J. M.; Danzmann, Karsten
Date of Publication (YYYY-MM-DD):2005-05-21
Title of Journal:Classical and Quantum Gravity
Journal Abbrev.:Class. Quantum Gravity
Volume (in Journal):22
Issue / Number:10 Sp. Iss. Sp. Iss. SI
Start Page:S235
End Page:S242
Name of Conference/Meeting:The 5th International Lisa Symposium and the 38th Eslab Symposium
Place of Conference/Meeting:Estec, Noordwijk, The Netherlands
(Start) Date of Conference/Meeting
End Date of Conference/Meeting 
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:We present the first experimental confirmation of the so-called 'self-phase-locked delay interferometry'. This laser frequency stabilization technique consists basically in comparing the prompt laser signal with a delayed version of itself that has been reflected in another LISA satellite 5 × 109 m away. In our table-top experiment, the phase of a voltage-controlled oscillator is stabilized by means of a control loop based on this technique. In agreement with the theory, the measured unity gain frequency is not limited by the inverse of the used delay (1.6 µs). In the time domain, the system also behaves as predicted, including the appearance of a quasi-periodic 'ringing' just after the lock acquisition, which decays exponentially. Its initial amplitude is smaller when the loop gain is slowly ramped up instead of suddenly switched on.
External Publication Status:published
Document Type:Conference-Paper
Communicated by:Karsten Danzmann
Affiliations:MPI für Gravitationsphysik/Laser Interferometry & Gravitational Wave Astronomy
MPI für Gravitationsphysik/Teilinstitut Hannover
External Affiliations:Albert Einstein Inst, Max Planck Inst Gravitat Phys, D-30167 Hannover, Germany.; Estec, Noordwijk, Netherlands.; Univ Alcala de Henares, Madrid, Spain.; Univ Hannover, Inst Atom & Mol Phys, D-30167 Hannover, Germany.
Identifiers:ISI:000230230100016 [ID No:1]
ISSN:0264-9381 [ID No:2]
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