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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 10 — May. 15, 2009
  • pp: 1540–1542

Displacement metrology directly linked to a time standard using an optical-frequency-comb generator

Youichi Bitou  »View Author Affiliations


Optics Letters, Vol. 34, Issue 10, pp. 1540-1542 (2009)
http://dx.doi.org/10.1364/OL.34.001540


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Abstract

Laser-frequency-based displacement metrology and a control system directly traceable to a time standard are developed. The setup is based on a Fabry–Perot (FP) cavity. Two resonant frequencies of the FP cavity are probed for displacement measurement. An optical-frequency-comb generator is utilized to improve the measurement resolution. A displacement resolution of approximately 1.3 nm was achieved, and displacement control using a phase-locked loop was demonstrated.

© 2009 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.4800) Instrumentation, measurement, and metrology : Optical standards and testing

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: February 26, 2009
Manuscript Accepted: April 6, 2009
Published: May 11, 2009

Citation
Youichi Bitou, "Displacement metrology directly linked to a time standard using an optical-frequency-comb generator," Opt. Lett. 34, 1540-1542 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-10-1540

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