Multi-sensor system based on phase detection, an LED array, and luminophore-doped xerogels

V. P. Chodavarapu; R. M. Bukowski; S. J. Kim; A. H. Titus; A. N. Cartwright; F. V. Bright

doi:10.1049/el:20052142

Multi-sensor system based on phase detection, an LED array, and luminophore-doped xerogels

V. P. Chodavarapu, R. M. Bukowski, S. J. Kim, A. H. Titus, A. N. Cartwright, F. V. Bright

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

An optical multi-sensor system based on the excited-state lifetime of luminophore doped xerogels is described. The system is based on the novel concept of combining addressable surface-mount light-emitting diode (SM-LED) arrays with doped xerogel thin films; each SM-LED in the array is coated with a different xerogel-based sensor element. Each sensor element exhibits a unique response profile to the target analyte. A prototype system with a 2 × 2 LED array is presented, with three of the LEDs coated with xerogel-based sensing layers, each layer having a different sensitivity and response profile to oxygen (O₂).

Original language	English (US)
Pages (from-to)	1031-1033
Number of pages	3
Journal	Electronics Letters
Volume	41
Issue number	18
DOIs	https://doi.org/10.1049/el:20052142
State	Published - Sep 1 2005
Externally published	Yes

ASJC Scopus subject areas

Electrical and Electronic Engineering

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title = "Multi-sensor system based on phase detection, an LED array, and luminophore-doped xerogels",

abstract = "An optical multi-sensor system based on the excited-state lifetime of luminophore doped xerogels is described. The system is based on the novel concept of combining addressable surface-mount light-emitting diode (SM-LED) arrays with doped xerogel thin films; each SM-LED in the array is coated with a different xerogel-based sensor element. Each sensor element exhibits a unique response profile to the target analyte. A prototype system with a 2 × 2 LED array is presented, with three of the LEDs coated with xerogel-based sensing layers, each layer having a different sensitivity and response profile to oxygen (O2).",

author = "Chodavarapu, {V. P.} and Bukowski, {R. M.} and Kim, {S. J.} and Titus, {A. H.} and Cartwright, {A. N.} and Bright, {F. V.}",

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AU - Chodavarapu, V. P.

AU - Bukowski, R. M.

AU - Kim, S. J.

AU - Titus, A. H.

AU - Cartwright, A. N.

AU - Bright, F. V.

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