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Vol. 127, Issue 4, April 2011, pp.69-75
Monitoring of Various Glucose Concentrations Based on Optical Spectroscopic Reflectometry
Center for Integrated Research and Innovation (CIRNOV),
and Study Program of Physics, The University of Ahmad Dahlan,
Jl. Cendana No. 9A, Yogyakarta 55166, Indonesia
Tel.: +62-274-563515 ext. 1613, fax: +62-274-564604
E-mail: hariyadi@uad.ac.id
Received: 10 March 2011 /Accepted: 22 April 2011 /Published: 30 April 2011
Abstract: Variation of glucose’s concentrations have been monitored their different optical properties using a self-construction of a spectroscopic reflectometer. The measurement was done by illuminating the glucose (liquid sample) using a visible light source at an incident angle of 70° for s-polarization state. From the investigation, change of concentrations could be observed from the sensitive change of optical reflected intensities as indicated by a shift of peak wavelength. This phenomenon is encouraging for glucose concentration monitoring for wide applications.
Keywords: Polarized light, Glucose, Optical reflection, Reflectometry
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