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

Chris Dunsby | Zendy; Y. J. Gu | Zendy; P. M. W. French | Zendy

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

Author(s) -

Chris Dunsby,

Y. J. Gu,

P. M. W. French

Publication year - 2003

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.11.000105

Subject(s) - optics , coherence (philosophical gambling strategy) , single shot , phase imaging , optical coherence tomography , phase (matter) , ghost imaging , physics , microscopy , quantum mechanics

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.

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