期刊
OPTICS COMMUNICATIONS
卷 348, 期 -, 页码 19-23出版社
ELSEVIER
DOI: 10.1016/j.optcom.2015.03.015
关键词
Photonic crystal ring resonator (PCRR); Blood analysis; FDTD; MEEP; MPB; IPKISS
类别
In this paper a photonic crystal based ring resonator structure (PCRR) which can sense different bio-constituents in blood in the wavelength range of 1530-1565 nm for biomedical applications has been successfully demonstrated. Simulation and analysis has been done for Biotin-Streptavidin, Bovine Serum Albumin, Cytop (polymer), Ethanol, Glucose solution (40gm/100 ml), Hemoglobin, Blood Plasma, Polyacrylamide and Sylgard184. Finite Difference Time Domain (FDTD) method has been used for the analysis. MEEP (MIT Electromagnetic Equation Propagation) and MPB (MIT Photonic Bands) simulation tools have been used for modeling and designing of PCRR and IPKISS software framework has been used for generation of mask design which can be used for the fabrication of the PCRR sensor. The optical properties of different bio-constituents are studied and the normalized transmitted output power, transmission wavelength and Q factor have been observed for different blood-constituents which can be used for blood analysis. It has been observed that for little change in dielectric constant (epsilon) according to the blood-constituent taken there will be a moderate shift in the transmitted output power, transmission wavelength and quality factor and hence it acts as a sensor. This indicates that it is highly sensitive even for little change in refractive index. Our designed sensor has achieved sensitivity of 343 nm/RIU. (C) 2015 Elsevier B.V. All rights reserved.
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