From Event: SPIE Optical Engineering + Applications, 2016
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.
Yu-Yang Liao, Yung-Tsan Chen, Cheng-Yu Chang, Wen-Yi Lan, and 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 (Presented at SPIE Optical Engineering + Applications: August 31, 2016; Published: 7 September 2016); https://doi.org/10.1117/12.2236638.
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