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LISA long-arm interferometry: an alternative frequency pre-stabilization system

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Authors

  • Benjamin Sheard
  • Gerhard Heinzel
  • Karsten Danzmann

External Research Organisations

  • Max Planck Institute for Gravitational Physics (Albert Einstein Institute)
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    • Citation Indexes: 12
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Details

Original languageEnglish
Article number084011
JournalClassical and quantum gravity
Volume27
Issue number8
Publication statusPublished - 21 Apr 2010

Abstract

Laser frequency noise is a significant noise source which couples into the main science measurement of the Laser Interferometer Space Antenna via the mismatch between the interferometer arm lengths. In this paper we discuss the application of an unequal pathlength heterodyne Mach-Zehnder interferometer to measure and actively stablize the master laser frequency as used in LISA Pathfinder. In comparison with an optical cavity or atomic reference the technique has a wide operating range and does not require a complex lock acquisition procedure. Frequency tuning can be provided by purely electronic means and does not require physically changing the pathlength (or resonance frequency) of the frequency reference and can therefore be combined with arm locking in a straightforward manner.

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Cite this

LISA long-arm interferometry: an alternative frequency pre-stabilization system. / Sheard, Benjamin; Heinzel, Gerhard; Danzmann, Karsten.
In: Classical and quantum gravity, Vol. 27, No. 8, 084011, 21.04.2010.

Research output: Contribution to journalArticleResearchpeer review

Sheard B, Heinzel G, Danzmann K. LISA long-arm interferometry: an alternative frequency pre-stabilization system. Classical and quantum gravity. 2010 Apr 21;27(8):084011. doi: 10.1088/0264-9381/27/8/084011
Sheard, Benjamin ; Heinzel, Gerhard ; Danzmann, Karsten. / LISA long-arm interferometry : an alternative frequency pre-stabilization system. In: Classical and quantum gravity. 2010 ; Vol. 27, No. 8.
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