期刊
IET OPTOELECTRONICS
卷 13, 期 3, 页码 118-123出版社
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/iet-opt.2018.5079
关键词
blood; finite element analysis; refractive index measurement; photonic crystals; holey fibres; fibre optic sensors; chemical sensors; biomedical measurement; optical fibre polarisation; SiO2; wavelength 440; 0 nm; wavelength 470; 0 nm; finite-element method; y-polarisation; x-polarisation; maximum wavelength shift; transmission spectrum; single material substrate; tricore photonic crystal fibre based refractive index sensor; glucose concentration; silica substrate; liquid core; hollow channel; human blood; glucose sensor; enhanced compact sensitivity; glucose detection
资金
- SERB, India [EMR/2016/006361]
An enhanced compact sensitivity of glucose sensor in the presence of human blood using tricore photonic crystal fibre is numerically proposed where one hollow channel filled by analyte acts as liquid core and remain two cores considering the silica substrate. The uniqueness of this structure is single material substrate and capable of tuning its sensitivity with minimum variation of glucose concentration (g/l) to detect the low level presence of glucose in the human blood. The transmission spectrum shows the maximum wavelength shift for x-polarisation at 470 nm, and 440 nm for y-polarisation to the response of refractive index of glucose resulting enhanced average sensitivity of 23,267.33 nm/RIU achieved at 470 nm of wavelength shift. The entire analysis and its mechanism of the proposed structure are applied with help of finite-element method.
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