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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


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

Optical polarimetry for noninvasive glucose sensing enabled by Sagnac interferometry

Amy M. Winkler, Garret T. Bonnema, and Jennifer K. Barton  »View Author Affiliations

Applied Optics, Vol. 50, Issue 17, pp. 2719-2731 (2011)

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Optical polarimetry is used in pharmaceutical drug testing and quality control for saccharide-containing products (juice, honey). More recently, it has been proposed as a method for noninvasive glucose sensing for diabetic patients. Sagnac interferometry is commonly used in optical gyroscopes, measuring minute Doppler shifts resulting from mechanical rotation. In this work, we demonstrate that Sagnac interferometers are also sensitive to optical rotation, or the rotation of linearly polarized light, and are therefore useful in optical polarimetry. Results from simulation and experiment show that Sagnac interferometers are advantageous in optical polarimetry as they are insensitive to net linear birefringence and alignment of polarization components.

© 2011 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3890) Instrumentation, measurement, and metrology : Medical optics instrumentation
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(120.5790) Instrumentation, measurement, and metrology : Sagnac effect

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: January 31, 2011
Revised Manuscript: April 17, 2011
Manuscript Accepted: April 21, 2011
Published: June 9, 2011

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

Amy M. Winkler, Garret T. Bonnema, and Jennifer K. Barton, "Optical polarimetry for noninvasive glucose sensing enabled by Sagnac interferometry," Appl. Opt. 50, 2719-2731 (2011)

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