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Proceedings Paper

Determination of glucose concentrations using photonic crystal LEDs
Author(s): Yu-Yang Liao; Yung-Tsan Chen; Cheng-Yu Chang; Wen-Yi Lan; Jian-Jang Huang
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Paper Abstract

As internet of things (IOT) has become a popular topic in current consumer electronics, there is a demand for cost-effective sensors to monitor bio-signals. Traditional optical sensors employ low-dimensional gratings and high-resolution spectrometers to detect the refractive index changes of the solutions. In this work, we develop an alternative approach to correlate the concentration of molecules to the band diagrams of the photonic crystals. A relatively low-resolution spectrum analyzer can be employed, yet achieves higher sensitivity than traditional approaches.

Paper Details

Date Published: 7 September 2016
PDF: 7 pages
Proc. SPIE 9954, Fifteenth International Conference on Solid State Lighting and LED-based Illumination Systems, 99540H (7 September 2016); doi: 10.1117/12.2236638
Show Author Affiliations
Yu-Yang Liao, National Taiwan Univ. (Taiwan)
Yung-Tsan Chen, National Taiwan Univ. (Taiwan)
Cheng-Yu Chang, National Taiwan Univ. (Taiwan)
Wen-Yi Lan, National Taiwan Univ. (Taiwan)
Jian-Jang Huang, National Taiwan Univ. (Taiwan)


Published in SPIE Proceedings Vol. 9954:
Fifteenth International Conference on Solid State Lighting and LED-based Illumination Systems
Matthew H. Kane; Nikolaus Dietz; Ian T. Ferguson, Editor(s)

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