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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 47, Iss. 13 — May. 1, 2008
  • pp: 2503–2509

Highly-sensitive and high-resolution all-fiber three-dimensional measurement system

Takefumi Ohta, Norihiko Nishizawa, Tetsuya Ozawa, and Kazuyoshi Itoh  »View Author Affiliations

Applied Optics, Vol. 47, Issue 13, pp. 2503-2509 (2008)

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A practical all-fiber three-dimensional measurement system is demonstrated with an incoherent interferometer at the eye-safe wavelength of 1.55 μm . The sensitivity and axial resolution are as high as 102 dB and 1.4 μm from a few meters’ distance, respectively. A rotating scanner is developed for axial scanning, and a wide longitudinal scanning range of 54 mm is demonstrated. The high resolution images of a few samples are clearly obtained at the speed of 52 points / s . Moreover, the resolution, sensitivity, speed, and angle dependence are discussed for measurement of a 100 yen Japanese coin.

© 2008 Optical Society of America

OCIS Codes
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure
(150.6910) Machine vision : Three-dimensional sensing

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: December 11, 2007
Manuscript Accepted: March 16, 2008
Published: April 30, 2008

Takefumi Ohta, Norihiko Nishizawa, Tetsuya Ozawa, and Kazuyoshi Itoh, "Highly-sensitive and high-resolution all-fiber three-dimensional measurement system," Appl. Opt. 47, 2503-2509 (2008)

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