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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 32 — Nov. 10, 2009
  • pp: 6188–6194

Diode-laser-based high-precision absolute distance interferometer of 20 m range

Florian Pollinger, Karl Meiners-Hagen, Martin Wedde, and Ahmed Abou-Zeid  »View Author Affiliations

Applied Optics, Vol. 48, Issue 32, pp. 6188-6194 (2009)

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We present a hybrid absolute distance measurement method that is based on a combination of frequency sweeping, variable synthetic, and two-wavelength, fixed synthetic wavelength interferometry. Both experiments were realized by two external cavity diode lasers. The measurement uncertainty was experimentally and theoretically demonstrated to be smaller than 12 μm at a measurement distance of 20 m .

© 2009 Optical Society of America

OCIS Codes
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(140.2020) Lasers and laser optics : Diode lasers
(140.3518) Lasers and laser optics : Lasers, frequency modulated

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: July 1, 2009
Revised Manuscript: September 18, 2009
Manuscript Accepted: September 21, 2009
Published: November 2, 2009

Florian Pollinger, Karl Meiners-Hagen, Martin Wedde, and Ahmed Abou-Zeid, "Diode-laser-based high-precision absolute distance interferometer of 20 m range," Appl. Opt. 48, 6188-6194 (2009)

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