Optical methods represent the most promising techniques to perform non-invasive glucose detection. Glucose concentration in the aqueous humor closely mimics glucose levels in the blood and therefore non-invasive optical measurement of glucose can be performed by an optical beam crossing the eye anterior chamber. We propose a polarimetric method that exploits the Brewster-reflection of circularly polarized light on the lens of the eye. After reflection, the resulting linearly polarized light is subject to rotation by the glucose in the aqueous humor and thus carries the concentration information. A preliminary experimental setup, using glucose samples in a beaker, was realized and investigated. © 2001 SPIE · 1605-7422/01/$15.00.

Development of a novel non-invasive sensor for the determination of the blood glucose concentration / Bockle, S.; Rovati, L.; Ansari, R. R.. - 4434(2001), pp. 260-262. ((Intervento presentato al convegno SPIE Photonics west tenutosi a S. Francisco nel 2001.

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