6533b7d5fe1ef96bd1264836

RESEARCH PRODUCT

Demonstration of remote optical measurement configuration that correlates to glucose concentration in blood

Raz BlumenbergNir RabaniVicente MicóJavier GarciaZeev ZalevskyYevgeny BeidermanMina Teicher

subject

Materials scienceocis:(280.0280) Remote sensingmedicine.diagnostic_testNoninvasive Optical Diagnosticsbusiness.industryNear-infrared spectroscopyTracking (particle physics)Atomic and Molecular Physics and Opticsocis:(030.6140) SpeckleVibrationSpeckle patternremote sensingOpticsmedical optics and biotechnologyOptical coherence tomographyDigital image processingmedicineStage (hydrology)sense organsspecklebusinessLaser beamsocis:(170.0170) Medical optics and biotechnologyBiotechnologyBiomedical engineering

description

An optical approach allowing the extraction and the separation of remote vibration sources has recently been proposed. The approach has also been applied for medical related applications as blood pressure and heart beats monitoring. In this paper we demonstrate its capability to monitor glucose concentration in blood stream. The technique is based on the tracking of temporal changes of reflected secondary speckle produced in human skin (wrist) when being illuminated by a laser beam. A temporal change in skin’s vibration profile generated due to blood pulsation is analyzed for estimating the glucose concentration. Experimental tests that were carried out in order to verify the proposed approach showed good match with the change of the glucose level at the positive slope stage as it was obtained from conventional reference measurement.

10.1364/boe.2.000858http://hdl.handle.net/10550/44680