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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 5, Iss. 6 — Jun. 1, 2014
  • pp: 1926–1940

Improved noncontact optical sensor for detection of glucose concentration and indication of dehydration level

Nisan Ozana, Nadav Arbel, Yevgeny Beiderman, Vicente Mico, Martin Sanz, Javier Garcia, Arun Anand, Baharam Javidi, Yoram Epstein, and Zeev Zalevsky  »View Author Affiliations

Biomedical Optics Express, Vol. 5, Issue 6, pp. 1926-1940 (2014)

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The ability to extract different bio-medical parameters from one single wristwatch device can be very applicable. The wearable device that is presented in this paper is based on two optical approaches. The first is the extraction and separation of remote vibration sources and the second is the rotation of linearly polarized light by certain materials exposed to magnetic fields. The technique is based on tracking of temporal changes of reflected secondary speckles produced in the wrist when being illuminated by a laser beam. Change in skin’s temporal vibration profile together with change in the magnetic medium that is generated by time varied glucose concentration caused these temporal changes. In this paper we present experimental tests which are the first step towards an in vivo noncontact device for detection of glucose concentration in blood. The paper also shows very preliminary results for qualitative capability for indication of dehydration.

© 2014 Optical Society of America

OCIS Codes
(030.6140) Coherence and statistical optics : Speckle
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(260.2110) Physical optics : Electromagnetic optics
(260.5430) Physical optics : Polarization
(280.0280) Remote sensing and sensors : Remote sensing and sensors

ToC Category:
Noninvasive Optical Diagnostics

Original Manuscript: January 17, 2014
Revised Manuscript: March 21, 2014
Manuscript Accepted: April 23, 2014
Published: May 22, 2014

Nisan Ozana, Nadav Arbel, Yevgeny Beiderman, Vicente Mico, Martin Sanz, Javier Garcia, Arun Anand, Baharam Javidi, Yoram Epstein, and Zeev Zalevsky, "Improved noncontact optical sensor for detection of glucose concentration and indication of dehydration level," Biomed. Opt. Express 5, 1926-1940 (2014)

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