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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 26, Iss. 14 — Jul. 15, 2001
  • pp: 1069–1071

Simplified method for polarization-sensitive optical coherence tomography

Jonathan E. Roth, Jennifer A. Kozak, Siavash Yazdanfar, Andrew M. Rollins, and Joseph A. Izatt  »View Author Affiliations


Optics Letters, Vol. 26, Issue 14, pp. 1069-1071 (2001)
http://dx.doi.org/10.1364/OL.26.001069


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Abstract

We report a method for extracting the birefringence properties of biological samples with micrometer-scale resolution in three dimensions, using a new form of polarization-sensitive optical coherence tomography. The method measures net retardance, net fast axis, and total reflectivity as a function of depth into the sample. Polarization sensing is accomplished by illumination of the sample with at least three separate polarization states during consecutive acquisitions of the same pixel, A scan, or B scan. The method can be implemented by use of non-polarization-maintaining fiber and a single detector. In a calibration test of the system, net retardance was measured with an average error of 7.5° (standard deviation 2.2°) over the retardance range 0° to 180°, and a fast axis with average error of 4.8° over the range 0° to 180°.

© 2001 Optical Society of America

OCIS Codes
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(230.5440) Optical devices : Polarization-selective devices

Citation
Jonathan E. Roth, Jennifer A. Kozak, Siavash Yazdanfar, Andrew M. Rollins, and Joseph A. Izatt, "Simplified method for polarization-sensitive optical coherence tomography," Opt. Lett. 26, 1069-1071 (2001)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-26-14-1069

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