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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 6, Iss. 7 — Jul. 27, 2011

Quantitative Carré differential interference contrast microscopy to assess phase and amplitude

Donald D. Duncan, David G. Fischer, Amanda Dayton, and Scott A. Prahl  »View Author Affiliations


JOSA A, Vol. 28, Issue 6, pp. 1297-1306 (2011)
http://dx.doi.org/10.1364/JOSAA.28.001297


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Abstract

We present a method of using an unmodified differential interference contrast microscope to acquire quantitative information on scatter and absorption of thin tissue samples. A simple calibration process is discussed that uses a standard optical wedge. Subsequently, we present a phase-stepping procedure for acquiring phase gradient information exclusive of absorption effects. The procedure results in two-dimensional maps of the local angular (polar and azimuthal) ray deviation. We demonstrate the calibration process, discuss details of the phase-stepping algorithm, and present representative results for a porcine skin sample.

© 2011 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(170.0180) Medical optics and biotechnology : Microscopy
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(180.3170) Microscopy : Interference microscopy
(170.6935) Medical optics and biotechnology : Tissue characterization

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: February 24, 2011
Revised Manuscript: April 22, 2011
Manuscript Accepted: April 27, 2011
Published: May 31, 2011

Virtual Issues
Vol. 6, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Donald D. Duncan, David G. Fischer, Amanda Dayton, and Scott A. Prahl, "Quantitative Carré differential interference contrast microscopy to assess phase and amplitude," J. Opt. Soc. Am. A 28, 1297-1306 (2011)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-28-6-1297

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