7 September 2016 Determination of glucose concentrations using photonic crystal LEDs
Author Affiliations +
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.
Conference Presentation
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Yu-Yang Liao, Yu-Yang Liao, Yung-Tsan Chen, Yung-Tsan Chen, Cheng-Yu Chang, Cheng-Yu Chang, Wen-Yi Lan, Wen-Yi Lan, Jian-Jang Huang, Jian-Jang Huang, "Determination of glucose concentrations using photonic crystal LEDs", Proc. SPIE 9954, Fifteenth International Conference on Solid State Lighting and LED-based Illumination Systems, 99540H (7 September 2016); doi: 10.1117/12.2236638; https://doi.org/10.1117/12.2236638

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