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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 21 — Nov. 1, 2006
  • pp: 3101–3103

Frequency-comb-referenced two-wavelength source for absolute distance measurement

Nicolas Schuhler, Yves Salvadé, Samuel Lévêque, René Dändliker, and Ronald Holzwarth  »View Author Affiliations


Optics Letters, Vol. 31, Issue 21, pp. 3101-3103 (2006)
http://dx.doi.org/10.1364/OL.31.003101


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Abstract

We propose a new tunable laser source concept for multiple-wavelength interferometry, offering an unprecedented large choice of synthetic wavelengths with a relative uncertainty better than 10 11 in vacuum. Two lasers are frequency stabilized over a wide range of frequency intervals defined by the frequency comb generated by a mode-locked fiber laser. In addition, we present experimental results demonstrating the generation of a 90 μ m synthetic wavelength calibrated with an accuracy better than 0.2 parts in 10 6 . With this synthetic wavelength we can resolve one optical wavelength, which opens the way to absolute distance measurement with nanometer accuracy.

© 2006 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: June 16, 2006
Revised Manuscript: August 7, 2006
Manuscript Accepted: August 13, 2006
Published: October 11, 2006

Citation
Nicolas Schuhler, Yves Salvadé, Samuel Lévêque, René Dändliker, and Ronald Holzwarth, "Frequency-comb-referenced two-wavelength source for absolute distance measurement," Opt. Lett. 31, 3101-3103 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-21-3101


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