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Biosystem with 16 highly-selective optical-channels for biological fluids analysis in the visible spectrum

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6 Author(s)

This paper reports a biosystem (biological system) for analyzing biochemical substances in biological fluids. Rather than one channel, it comprises 16 highly-selective optical-channels that enable the measurement of the concentration of 16 different biochemical substances. An array of 16-optical filters with high reflectivity and low absorption loss has been designed using dielectric films. Each filter is sensitive in a single wavelength with a FWHM (Full-Width-Half-Maximum) <5 nm and peak intensity >52%. A commercially available band-pass optical filter with a band-pass wavelength in 450-600 nm is used to enable the use of a white light source for biosystem illumination. Preliminary tests with a single-channel are successfully demonstrated.

Published in:

TRANSDUCERS, Solid-State Sensors, Actuators and Microsystems, 12th International Conference on, 2003  (Volume:2 )

Date of Conference:

8-12 June 2003