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TitleA 16 fabry-perot optical-channels array for biological fluids analysis using white light
Author(s)Minas, Graça
Ribeiro, J. C.
Martins, Júlio S.
Wolffenbuttel, R. F.
Correia, J. H.
Optical filter array
Issue date2003
PublisherUniversity of Minho
CitationEUROSENSORS, 17, Guimarães, 2003 – “Eurosensors : proceedings of the european conference on solid-state transducers”. [Guimarães]: Universidade do Minho, 2003. ISBN 972-98603-1-9. p. 28-30.
Abstract(s)This paper describes a biosystem (biological system) used to measure the concentration of biological substances in urine, serum, plasma or cerebrospinal fluid. Rather than just one channel, it comprises 16 optical-channels that enable the measurement of the concentration of 16 different biological substances. An array of 16 optical filters based on Fabry-Perot thin-films optical resonators has been designed. Each optical-channel is sensitive in a single wavelength with a Full-Width-Half-Maximum (FWHM) of 7 nm. The filter fabrication requires only 4 masks, used with different etch time. A commercially available band-pass optical filter with a band-pass wavelength in 450-650 nm is used. The biosystem requires only a white light source for illumination due the use of selective optical filters.
TypeConference paper
AccessRestricted access (UMinho)
Appears in Collections:DEI - Artigos em atas de congressos internacionais

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