研究动态
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用于脑癌检测的十字形太赫兹超材料吸收器。

A cross-shaped terahertz metamaterial absorber for brain cancer detection.

发表日期:2024 Aug 14
作者: Wriddhi Bhowmik, Bhargav Appasani, Abhik Gorai, Amitkumar V Kumar V Jha, Bishnu Prasad De, Pravin Samanta
来源: BIOSENSORS & BIOELECTRONICS

摘要:

该文章首次提出了一种太赫兹超材料吸收器(TMA),其设计为十字形,由四个连续正交定位的喇叭形贴片组成,用于检测脑癌细胞。该设计表现出μ负材料的特性,表明磁共振。所提出的 TMA 在 2.334 THz 处实现了令人印象深刻的 99.43% 吸收率和 47.15 的高 Q 因子。通过在 1.3 至 1.48 范围内改变周围介质的折射率来研究传感能力,从而获得 0.502 THz/RIU 的灵敏度。所提出的 TMA 表现出完全的偏振不敏感性,突出显示这是其优势特征之一。所提出的 TMA 在区分正常脑细胞和癌性脑细胞方面具有足够的传感能力,使其成为早期高效脑癌检测器的可行候选者。这项研究可以为未来使用太赫兹辐射进行脑癌检测的研究奠定基础。© 2024 IOP Publishing Ltd。保留所有权利,包括文本和数据挖掘、人工智能培训和类似技术。
The article presents, for the first time, a terahertz metamaterial absorber (TMA) designed in the shape of a cross consisting of four orthogonally positioned horn-shaped patches in succession, to detect brain cancer cells. The design exhibits the property of mu-negative material, indicating magnetic resonance. The proposed TMA has achieved an impressive absorption rate of 99.43% at 2.334 THz and a high Q-factor of 47.15. The sensing capability has been investigated by altering the refractive index of the surrounding medium in the range of 1.3 to 1.48, resulting in a sensitivity of 0.502 THz/RIU. The proposed TMA exhibits complete polarization insensitivity, highlighting this as one of its advantageous features. The adequate sensing capability of the proposed TMA in differentiating normal and cancerous brain cells makes it a viable candidate for an early and efficient brain cancer detector. This research can be the foundation for future research on using THz radiation for brain cancer detection.© 2024 IOP Publishing Ltd. All rights, including for text and data mining, AI training, and similar technologies, are reserved.