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Optics Letters

Optics Letters


  • Vol. 24, Iss. 5 — Mar. 1, 1999
  • pp: 291–293

Digital holography for quantitative phase-contrast imaging

Etienne Cuche, Frédéric Bevilacqua, and Christian Depeursinge  »View Author Affiliations

Optics Letters, Vol. 24, Issue 5, pp. 291-293 (1999)

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We present a new application of digital holography for phase-contrast imaging and optical metrology. This holographic imaging technique uses a CCD camera for recording of a digital Fresnel off-axis hologram and a numerical method for hologram reconstruction. The method simultaneously provides an amplitude-contrast image and a quantitative phase-contrast image. An application to surface profilometry is presented and shows excellent agreement with contact-stylus probe measurements.

© 1999 Optical Society of America

OCIS Codes
(040.1520) Detectors : CCD, charge-coupled device
(090.0090) Holography : Holography
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(150.6910) Machine vision : Three-dimensional sensing

Etienne Cuche, Frédéric Bevilacqua, and Christian Depeursinge, "Digital holography for quantitative phase-contrast imaging," Opt. Lett. 24, 291-293 (1999)

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