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



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ID: 316931.0, MPI für Gravitationsphysik / Laser Interferometry & Gravitational Wave Astronomy
A simple scheme for precise relative frequency stabilization of lasers
Authors:Strauss, N.; Ernsting, I.; Schiller, S.; Wicht, A.; Huke, P.; Rinkleff, Rolf-Hermann
Date of Publication (YYYY-MM-DD):2007
Title of Journal:Applied Physics B
Volume:88
Issue / Number:1
Start Page:21
End Page:28
Review Status:not specified
Audience:Not Specified
Abstract / Description:We present a simple scheme for tuneable relative frequency stabilization of lasers. A highly sensitive and accurate frequency-to-voltage converter is used to derive an error signal from the beat note between two lasers. We analyze in detail detector noise and drift, modulation detection bandwidth, and cross-talk from power modulation. The results indicate that sub-kHz relative linewidth and a locking point drift on the order of 100 Hz for times scales of 1 h are achievable. The scheme can, therefore, be applied to situations where up to now only optical PLLs could provide sufficient accuracy and precision. To demonstrate its potential for high-resolution, high-precision spectroscopy we lock a diode laser to a fs-frequency comb and find a relative linear drift of 314 Hz during a 2.8 h period.
External Publication Status:published
Document Type:Article
Communicated by:Karsten Danzmann
Affiliations:MPI für Gravitationsphysik/Teilinstitut Hannover
MPI für Gravitationsphysik/Laser Interferometry & Gravitational Wave Astronomy
Identifiers:URL:http://www.springerlink.com/content/g166q186135182...
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