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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 20, Iss. 1 — Jan. 1, 2003
  • pp: 116–129

Phase-object detection by use of double-exposure fringe-modulated speckle patterns

Myrian Tebaldi, Luciano Ángel, Marcelo Trivi, and Néstor Bolognini  »View Author Affiliations


JOSA A, Vol. 20, Issue 1, pp. 116-129 (2003)
http://dx.doi.org/10.1364/JOSAA.20.000116


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Abstract

We study the properties of a double-exposure image specklegram of a diffuse object obtained by use of a double-aperture pupil. A phase object is placed in front of one aperture during the first or the second exposure. Also, it is assumed that a uniform displacement of the diffuser between exposures is produced. The recorded specklegram is coherently illuminated and analyzed by Fourier transform operations. The average intensity distribution and the interference fringe visibility in the Fourier plane are investigated. On this basis, an alternative interference technique to detect phase objects is proposed.

© 2003 Optical Society of America

OCIS Codes
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(120.6160) Instrumentation, measurement, and metrology : Speckle interferometry

History
Original Manuscript: March 11, 2002
Revised Manuscript: July 25, 2002
Manuscript Accepted: August 1, 2002
Published: January 1, 2003

Citation
Myrian Tebaldi, Luciano Ángel, Marcelo Trivi, and Néstor Bolognini, "Phase-object detection by use of double-exposure fringe-modulated speckle patterns," J. Opt. Soc. Am. A 20, 116-129 (2003)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-20-1-116

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