利用分布式布拉格结构检测酒精浓度的灵敏光子晶体生物传感器

IF 3.3 4区 物理与天体物理 Q2 CHEMISTRY, PHYSICAL
Ranjith B. Gowda, Rohan R., Kavya T. C., Ramya I. M., Suchandana Mishra, Keerthan Kumar T. G.
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引用次数: 0

摘要

本研究探讨了利用一维超导体介电光子晶体结构(1D-SD-PC)设计、分析和优化生物传感器。据我们所知,超导介电一维光子晶体分布式布拉格结构(DBS)是首次用于生物传感器的设计和分析。超导体和介电材料被用来构建双层堆栈。空气被用作介电材料,YaBa2Cu3O7 被用作超导体层。作为 SD 结构的中间空腔层,加入了包含被测样品的生物样品层。通过对结构特性进行优化调整,最大限度地提高了传感器的效率。根据观察结果,建议的结构具有最高的 RI 灵敏度,测量值为 65 nm/RIU,反射率为 90.6%,Q 值为 8571。建议的传感设备适合用于医疗生物传感应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Sensitive Photonic Crystal Biosensor Using Distributed Bragg Structure for Alcohol Concentration Detection

Sensitive Photonic Crystal Biosensor Using Distributed Bragg Structure for Alcohol Concentration Detection

This research explores the design, analysis, and optimisation of a biosensor utilising a one-dimensional superconductor-dielectric photonic crystal structure (1D-SD-PC). To the best of our knowledge, a superconductor-dielectric 1D-PC distributed Bragg structure (DBS) is used for the first time in the design and analysis of a biosensor. Materials that are superconductor and dielectric are used to construct the bilayer stack. Air is used as a dielectric material, and YaBa2Cu3O7 is used as a superconductor layer. As the middle cavity layer of the SD structure, a bio-sample layer containing the sample being tested is added. The structural characteristics are optimally adjusted to maximise sensor efficiency. According to the observed results, the suggested structure has the highest RI sensitivity, measuring 65 nm/RIU and having 90.6% reflection with a Q factor of 8571. The suggested sensing device is appropriate for use in medical bio-sensing applications.

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来源期刊
Plasmonics
Plasmonics 工程技术-材料科学:综合
CiteScore
5.90
自引率
6.70%
发文量
164
审稿时长
2.1 months
期刊介绍: Plasmonics is an international forum for the publication of peer-reviewed leading-edge original articles that both advance and report our knowledge base and practice of the interactions of free-metal electrons, Plasmons. Topics covered include notable advances in the theory, Physics, and applications of surface plasmons in metals, to the rapidly emerging areas of nanotechnology, biophotonics, sensing, biochemistry and medicine. Topics, including the theory, synthesis and optical properties of noble metal nanostructures, patterned surfaces or materials, continuous or grated surfaces, devices, or wires for their multifarious applications are particularly welcome. Typical applications might include but are not limited to, surface enhanced spectroscopic properties, such as Raman scattering or fluorescence, as well developments in techniques such as surface plasmon resonance and near-field scanning optical microscopy.
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