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