An analysis of quality factor for different bio-analytes by using photonic crystal based sensor

2014 IEEE International Conference on Advanced Communications, Control and Computing Technologies Pub Date : 2014-05-08 DOI:10.1109/ICACCCT.2014.7019229

Poonam Sharma, F. D. Gudagunti, Preeta Sharan

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引用次数: 6

Abstract

In this paper a two dimensional photonic crystal based super structure which can sense different bio-analytes in blood for biomedical applications has been successfully demonstrated with a very high quality factor. Simulation and analysis has been done for Cytop (polymer), Blood Plasma, Ethanol, Hemoglobin, Glucose solution (40gm/100ml), Biotin-Streptavidin and Bovine Serum Albumin. Finite Difference Time Domain (FDTD) method has been used for the analysis. MEEP (MIT Electromagnetic Equation Propagation) simulation tool has been used for modeling and designing of photonic crystal super structure. The optical properties of different bio-analytes are studied and the normalized power and Q factor has been observed for bio- analytes which can be used for blood analysis. It has been observed that for little change in dielectric constant (∈) there will be a moderate shift in the transmitted output power and quality factor and hence it acts as a sensor. This indicates that it is highly sensitive for the change in refractive index.

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利用光子晶体传感器分析不同生物分析物的品质因子

本文成功地展示了一种基于二维光子晶体的超结构，它可以在生物医学应用中检测血液中的不同生物分析物，并且具有很高的质量因子。模拟分析了细胞素(聚合物)、血浆、乙醇、血红蛋白、葡萄糖溶液(40gm/100ml)、生物素-链亲和素和牛血清白蛋白。本文采用时域有限差分法(FDTD)进行分析。MEEP (MIT电磁方程传播)仿真工具已被用于光子晶体超结构的建模和设计。研究了不同生物分析物的光学性质，并对可用于血液分析的生物分析物的归一化功率和Q因子进行了观察。已经观察到，当介电常数(∈)变化很小时，传输输出功率和质量因子会有适度的变化，因此它可以作为传感器。这表明它对折射率的变化非常敏感。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2014 IEEE International Conference on Advanced Communications, Control and Computing Technologies

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