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



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ID: 372426.0, MPI für Gravitationsphysik / Laser Interferometry & Gravitational Wave Astronomy
Heterodyne laser tracking at high Doppler rates
Authors:Hellings, Ronald; Giampieri, Giacomo; Maleki, Lute; Tinto, Massimo; Danzmann, Karsten; Hough, James; Robertson, David
Date of Publication (YYYY-MM-DD):1996-03
Title of Journal:Optics Communications
Volume:124
Issue / Number:3-4
Start Page:313
End Page:320
Review Status:not specified
Audience:Not Specified
Abstract / Description:A design is described for a transmitter/receiver system that may be used in a spaceborne laser heterodyne tracking system to produce a high-precision interferometer. We present a two-color laser scheme that enables accurate phase measurement even in the presence of a large Doppler offset between the incoming and outgoing signals. The beat note between the two lasers provides a built-in frequency reference, while the delay line produced by the travel time of the tracking signal provides a stable self-comparison that measures drift in the frequency reference so that it may be corrected for. The resulting noise in the link is only the residual laser phase jitter and the shot noise in the phase measurement.
External Publication Status:published
Document Type:Article
Communicated by:Karsten Danzmann
Affiliations:MPI für Gravitationsphysik/Laser Interferometry & Gravitational Wave Astronomy
MPI für Gravitationsphysik/Teilinstitut Hannover
External Affiliations:Institut fur Atom-und Molekülphysik Abteilung Spectroskopie, Universität Hannover, D-3000, Hannover, Germany
Identifiers:ISSN:0030-4018
DOI:10.1016/0030-4018(95)00684-2
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