基于等离子环形元表面的太赫兹癌细胞传感器

IF 2.2 3区物理与天体物理 Q2 OPTICS

Optics Communications Pub Date : 2024-11-01 DOI:10.1016/j.optcom.2024.131267

Tongshun Wang , Yaxin Zhou , Hengli Feng , Pengfei Sun , Lijing Su , Ruochen Zhao , Lingling Ran , Yang Gao

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引用次数: 0

摘要

本文研究了一种能进行高灵敏度、高成本效益和无标记检测的等离子环形元表面癌细胞传感器。利用钛和金分裂环谐振器形成了元表面单元。数值研究结果表明，当被测物质发生变化时，元表面会发生明显的共振频率偏移，从而能在 2.5 太赫兹-4.5 太赫兹频段内准确检测各种类型的癌细胞，如血癌细胞和宫颈癌细胞，灵敏度可达 1.075 太赫兹/RIU。此外，该超表面传感器在检测氰化物和重金属污染水方面表现出卓越的角度稳定性和高灵敏度。这些研究成果为高灵敏度癌细胞传感器的开发和应用奠定了理论基础。

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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Terahertz cancer cell sensor based on plasmonic toroidal metasurface

This paper investigates a plasmonic toroidal metasurface cancer cell sensor capable of highly sensitive, cost-effective, and label-free detection. Utilizing titanium and gold split ring resonators, the metasurface unit are formed. Numerical findings indicate a significant resonance frequency shift of the metasurface upon changes in the measured substance, enabling accurate detection of various cancer cell types, such as blood cancer cell and cervical cancer cell in the 2.5 THz-4.5 THz band, with sensitivity reaching 1.075 THz/RIU. Moreover, the metasurface sensor demonstrates superior angular stability and high sensitivity in detecting cyanide and heavy metal-contaminated water. These research outcomes lay a theoretical foundation for the development and application of highly sensitive cancer cell sensors.

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来源期刊

Optics Communications 物理-光学

CiteScore

5.10

自引率

8.30%

发文量

681

审稿时长

38 days

期刊介绍： Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.