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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 23 — Dec. 1, 2012
  • pp: 4952–4954

Control and tuning of a suspended Fabry–Perot cavity using digitally enhanced heterodyne interferometry

John Miller, Silvie Ngo, Adam J. Mullavey, Bram J. J. Slagmolen, Daniel A. Shaddock, and David E. McClelland  »View Author Affiliations


Optics Letters, Vol. 37, Issue 23, pp. 4952-4954 (2012)
http://dx.doi.org/10.1364/OL.37.004952


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Abstract

We present the first demonstration of real-time closed-loop control and deterministic tuning of an independently suspended Fabry–Perot optical cavity using digitally enhanced heterodyne interferometry, realizing a peak sensitivity of 10 pm / Hz over the 10–1000 Hz frequency band. The methods presented are readily extensible to multiple coupled cavities. As such, we anticipate that refinements of this technique may find application in future interferometric gravitational-wave detectors.

© 2012 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(120.3180) Instrumentation, measurement, and metrology : Interferometry

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: September 17, 2012
Revised Manuscript: October 29, 2012
Manuscript Accepted: October 30, 2012
Published: November 28, 2012

Citation
John Miller, Silvie Ngo, Adam J. Mullavey, Bram J. J. Slagmolen, Daniel A. Shaddock, and David E. McClelland, "Control and tuning of a suspended Fabry–Perot cavity using digitally enhanced heterodyne interferometry," Opt. Lett. 37, 4952-4954 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-23-4952

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