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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 7 — Mar. 1, 2003
  • pp: 1257–1268

Dual-recycled cavity-enhanced Michelson interferometer for gravitational-wave detection

Guido Müller, Tom Delker, David B. Tanner, and David Reitze  »View Author Affiliations


Applied Optics, Vol. 42, Issue 7, pp. 1257-1268 (2003)
http://dx.doi.org/10.1364/AO.42.001257


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Abstract

The baseline design for an Advanced Laser Interferometer Gravitational-Wave Observatory (Advanced LIGO) is a dual-recycled Michelson interferometer with cavities in each of the Michelson interferometer arms. We describe one possible length-sensing and control scheme for such a dual-recycled, cavity-enhanced Michelson interferometer. We discuss the principles of this scheme and derive the first-order sensing signals. We also present a successful experimental verification of our length-sensing system using a prototype tabletop interferometer. Our results demonstrate the robustness of the scheme against deviations from the idealized design. We also identify potential weaknesses and discuss possible improvements. These results as well as other benchtop experiments that we present form the basis for a sensing and control scheme for Advanced LIGO.

© 2003 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(350.1270) Other areas of optics : Astronomy and astrophysics

History
Original Manuscript: July 5, 2002
Revised Manuscript: October 18, 2002
Published: March 1, 2003

Citation
Guido Müller, Tom Delker, David B. Tanner, and David Reitze, "Dual-recycled cavity-enhanced Michelson interferometer for gravitational-wave detection," Appl. Opt. 42, 1257-1268 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-7-1257

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