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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 11, Iss. 2 — Jan. 27, 2003
  • pp: 105–115

Single-shot phase-stepped wide-field coherence-gated imaging

C. Dunsby, Y. Gu, and P. M. W. French  »View Author Affiliations

Optics Express, Vol. 11, Issue 2, pp. 105-115 (2003)

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We present a single-shot wide-field CCD based coherence-gated imaging technique that utilizes spatially separated phase-stepped images and requires only one CCD camera to achieve simultaneous acquisition of four phase-stepped images. This technique provides a relatively low cost system for depth-resolved imaging of dynamic samples. We demonstrate real-time coherence-gated imaging of a moving watch cog, 3D reconstructions of a coin, phase measurements of the surface of a test-chart and depth-resolved imaging in a weakly scattering sample of onion.

© 2002 Optical Society of America

OCIS Codes
(110.1650) Imaging systems : Coherence imaging
(110.6880) Imaging systems : Three-dimensional image acquisition
(110.7050) Imaging systems : Turbid media
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(180.3170) Microscopy : Interference microscopy

ToC Category:
Research Papers

Original Manuscript: December 20, 2002
Revised Manuscript: January 10, 2003
Published: January 27, 2003

Christopher Dunsby, Y. Gu, and P. French, "Single-shot phase-stepped wide-field coherencegated imaging," Opt. Express 11, 105-115 (2003)

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