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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 12 — Jun. 15, 2013
  • pp: 2140–2143

Pulse-to-pulse alignment technique based on synthetic-wavelength interferometry of optical frequency combs for distance measurement

Guanhao Wu, Mayumi Takahashi, Hajime Inaba, and Kaoru Minoshima  »View Author Affiliations


Optics Letters, Vol. 38, Issue 12, pp. 2140-2143 (2013)
http://dx.doi.org/10.1364/OL.38.002140


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Abstract

A synthetic-wavelength interferometry of optical frequency combs is proposed for the pulse-to-pulse alignment in absolute distance measurement. The synthetic wavelength derived from the virtual second harmonic and the real second harmonic is used to bridge the interference intensity peak-finding method and the heterodyne interferometric phase measurement, so that the pulse-to-pulse alignment can be linked directly to single-wavelength heterodyne interferometry. The experimental results demonstrate that the distance measured by the peak-finding method with micrometer accuracy can be improved to the nanometer level by applying the method proposed.

© 2013 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(320.7100) Ultrafast optics : Ultrafast measurements
(320.7120) Ultrafast optics : Ultrafast phenomena

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: May 16, 2013
Manuscript Accepted: May 17, 2013
Published: June 13, 2013

Citation
Guanhao Wu, Mayumi Takahashi, Hajime Inaba, and Kaoru Minoshima, "Pulse-to-pulse alignment technique based on synthetic-wavelength interferometry of optical frequency combs for distance measurement," Opt. Lett. 38, 2140-2143 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-12-2140


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