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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 14 — May. 10, 2008
  • pp: 2715–2720

High-accuracy absolute distance measurement using frequency comb referenced multiwavelength source

Yves Salvadé, Nicolas Schuhler, Samuel Lévêque, and Sébastien Le Floch  »View Author Affiliations


Applied Optics, Vol. 47, Issue 14, pp. 2715-2720 (2008)
http://dx.doi.org/10.1364/AO.47.002715


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Abstract

We propose a new approach to multiple-wavelength interferometry, targeted to high bandwidth absolute distance measurement, with nanometer accuracy over long distances. Two cw lasers are stabilized over a wide range of frequency intervals defined by an optical frequency comb, thus offering an unprecedented large choice of synthetic wavelengths. By applying a superheterodyne detection technique, we demonstrated experimentally an accuracy of 8 nm over 800 mm for target velocities up to 50 mm / s .

© 2008 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3940) Instrumentation, measurement, and metrology : Metrology
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: January 8, 2008
Revised Manuscript: April 9, 2008
Manuscript Accepted: April 10, 2008
Published: May 9, 2008

Citation
Yves Salvadé, Nicolas Schuhler, Samuel Lévêque, and Sébastien Le Floch, "High-accuracy absolute distance measurement using frequency comb referenced multiwavelength source," Appl. Opt. 47, 2715-2720 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-14-2715

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