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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 1 — Jan. 1, 2000
  • pp: 65–71

Three-dimensional shape measurement of a diffusing surface by use of a femtosecond amplifying optical Kerr gate

Takeshi Yasui, Kaoru Minoshima, and Hirokazu Matsumoto  »View Author Affiliations


Applied Optics, Vol. 39, Issue 1, pp. 65-71 (2000)
http://dx.doi.org/10.1364/AO.39.000065


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Abstract

We propose a system for three-dimensional (3D) shape measurement of a diffusing surface by use of a previously developed femtosecond amplifying optical Kerr gate (fs-amp OKG). The system has an opening time of 459 fs and a maximum transmittance of 185%. It also provides good 3D imaging performance: a transverse imaging resolution of 70 µm, a depth resolution of 100 µm, and a positioning accuracy of 5.9 µm in depth. It is found that the optical Kerr effect and the amplification process in the fs-amp OKG do not cause the quality of a time-resolved image to deteriorate. We prove the effectiveness of the proposed system by measuring the shapes of completely diffusing objects with stepped and spherical surfaces.

© 2000 Optical Society of America

OCIS Codes
(110.6880) Imaging systems : Three-dimensional image acquisition
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure
(120.6660) Instrumentation, measurement, and metrology : Surface measurements, roughness
(170.6920) Medical optics and biotechnology : Time-resolved imaging
(170.7160) Medical optics and biotechnology : Ultrafast technology
(190.4360) Nonlinear optics : Nonlinear optics, devices

History
Original Manuscript: May 14, 1999
Revised Manuscript: August 30, 1999
Published: January 1, 2000

Citation
Takeshi Yasui, Kaoru Minoshima, and Hirokazu Matsumoto, "Three-dimensional shape measurement of a diffusing surface by use of a femtosecond amplifying optical Kerr gate," Appl. Opt. 39, 65-71 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-1-65

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