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Near-UV LED-based systems for low-cost and compact oxygen-sensing systems in gas and liquids
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Paper Abstract

With this work we report on the design, development and testing of near UV LED-based systems for oxygen gas sensing. The design and developed system is an optoelectronic setup based on 405 nm LEDs which excites and measures the photoluminescence emitted from a porphyrin based luminophor. By means of an accurate optical and optoelectronic setup, the system is able to operate without the need of avalanche photodiodes, thus resulting in a compact and low energy structure. The optical setup is specifically designed to maximize both the LED light exciting the luminophor and converted light acquired from the sensor.

Paper Details

Date Published: 1 March 2019
PDF: 8 pages
Proc. SPIE 10940, Light-Emitting Devices, Materials, and Applications, 109400V (1 March 2019); doi: 10.1117/12.2511696
Show Author Affiliations
Nicola Trivellin, Univ. degli Studi di Padova (Italy)
Diego Barbisan, Univ. degli Studi di Padova (Italy)
Marika Pietrobon, Univ. degli Studi di Padova (Italy)
Denis Badocco, Univ. degli Studi di Padova (Italy)
Paolo Pastore, Univ. degli Studi di Padova (Italy)
Angelo Cenedese, Univ. degli Studi di Padova (Italy)
Gaudenzio Meneghesso, Univ. degli Studi di Padova (Italy)
Enrico Zanoni, Univ. degli Studi di Padova (Italy)
Matteo Meneghini, Univ. degli Studi di Padova (Italy)

Published in SPIE Proceedings Vol. 10940:
Light-Emitting Devices, Materials, and Applications
Jong Kyu Kim; Michael R. Krames; Martin Strassburg, Editor(s)

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