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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 27, Iss. 1 — Jan. 1, 2010
  • pp: 141–147

High-speed, high-resolution, and large-scanning-range three-dimensional optical measurement system using a wavelength-tunable orthogonally polarized ultrashort twin pulse source

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


JOSA B, Vol. 27, Issue 1, pp. 141-147 (2010)
http://dx.doi.org/10.1364/JOSAB.27.000141


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Abstract

A high-speed, high-resolution, and large-scanning-range three-dimensional measurement system was demonstrated using an electronically controlled wavelength-tunable orthogonally polarized high-power ultrashort twin pulse source and an all-fiber interferometer. Thanks to the high peak power, the ultrashort optical pulses propagated along a fiber while maintaining the pulse shape by means of the soliton effect, allowing us to demonstrate high-speed, high-resolution, and large-scanning-range measurement. First, the interference was analyzed by numerical calculations and then the measurement system was demonstrated experimentally. A longitudinal scanning range of about 25 mm, a longitudinal resolution of 33 μm, and a scanning speed of 1000 points/s were achieved without moving parts. For a measurement distance of 0.5 m, a sensitivity of 60 dB was obtained. Clear three-dimensional images of a 100 yen Japanese coin and metal samples were obtained using this system.

© 2009 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure
(140.3600) Lasers and laser optics : Lasers, tunable
(150.6910) Machine vision : Three-dimensional sensing

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: September 29, 2009
Revised Manuscript: November 10, 2009
Manuscript Accepted: November 13, 2009
Published: December 24, 2009

Citation
Takefumi Ohta, Norihiko Nishizawa, Tetsuya Ozawa, and Kazuyoshi Itoh, "High-speed, high-resolution, and large-scanning-range three-dimensional optical measurement system using a wavelength-tunable orthogonally polarized ultrashort twin pulse source," J. Opt. Soc. Am. B 27, 141-147 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-1-141

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