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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 4, Iss. 2 — Feb. 10, 2009

Interferometric method for birefringence determination with a polarizing microscope

Leonaş Dumitraşcu, Irina Dumitraşcu, Dana-Ortansa Dorohoi, and Mihai Toma  »View Author Affiliations


Optics Express, Vol. 16, Issue 25, pp. 20884-20890 (2008)
http://dx.doi.org/10.1364/OE.16.020884


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Abstract

We present a new mathematical technique which can be used to determine the main refractive indices and the birefringence of an anisotropic layer by using a polarizing microscope in conoscopic illumination. The values of the birefringence for the yellow radiation of a Na lamp are determined here for a Carpathian quartz sample, but the technique can also be applied to the study of other uniaxial substances such as liquid crystals, model membranes or biological tissues. The validity of the proposed method was tested by comparing the results with those obtained with a Rayleigh interferometer and by using the technology of channeled spectra.

© 2008 Optical Society of America

OCIS Codes
(180.0180) Microscopy : Microscopy
(260.1440) Physical optics : Birefringence
(260.5430) Physical optics : Polarization

ToC Category:
Microscopy

History
Original Manuscript: July 28, 2008
Revised Manuscript: November 9, 2008
Manuscript Accepted: November 12, 2008
Published: December 3, 2008

Virtual Issues
Vol. 4, Iss. 2 Virtual Journal for Biomedical Optics

Citation
Leonas Dumitrascu, Irina Dumitrascu, Dana-Ortansa Dorohoi, and Mihai Toma, "Interferometric method for birefringence determination with a polarizing microscope," Opt. Express 16, 20884-20890 (2008)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-16-25-20884


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References

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