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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. 12 — Nov. 10, 2009

Measurement of Faraday rotation using phase-sensitive low-coherence interferometry

Muhammad K. Al-Qaisi, Hui Wang, and Taner Akkin  »View Author Affiliations


Applied Optics, Vol. 48, Issue 30, pp. 5829-5833 (2009)
http://dx.doi.org/10.1364/AO.48.005829


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Abstract

We report a differential phase sensor capable of measuring Faraday rotation in reflection mode with a single measurement and a small field-depth factor. Based on a polarization-maintaining-fiber low- coherence interferometer, the sensor measures phase difference between two decorrelated and oppositely polarized circular states incident on a sample. Sensitivity of the sensor for the Faraday rotation is 0.31 arcmin , allowing applications on small volumes of liquids. The Verdet constants of various liquids, including clear and turbid samples, are measured at 857 nm .

© 2009 Optical Society of America

OCIS Codes
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(230.2240) Optical devices : Faraday effect
(260.2110) Physical optics : Electromagnetic optics

ToC Category:
Optical Devices

History
Original Manuscript: May 28, 2009
Revised Manuscript: September 30, 2009
Manuscript Accepted: October 2, 2009
Published: October 16, 2009

Virtual Issues
Vol. 4, Iss. 12 Virtual Journal for Biomedical Optics

Citation
Muhammad K. Al-Qaisi, Hui Wang, and Taner Akkin, "Measurement of Faraday rotation using phase-sensitive low-coherence interferometry," Appl. Opt. 48, 5829-5833 (2009)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-48-30-5829

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