用于检测脑癌的十字形太赫兹超材料吸收器。

IF 1.3 Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
W Bhowmik, B Appasani, A Gorai, A K V Jha, B P De, P K Samanta
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引用次数: 0

摘要

文章首次介绍了一种太赫兹超材料吸收器(TMA),该吸收器设计成十字形,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。该设计显示了μ负材料的特性,表明存在磁共振。拟议的 TMA 在 2.334 THz 频率下的吸收率高达 99.43%,Q 系数高达 47.15。通过改变周围介质在 1.3 至 1.48 范围内的折射率,对传感能力进行了研究,结果灵敏度达到 0.502 THz/RIU。拟议的 TMA 具有完全的极化不敏感性,这是它的优势特点之一。所提出的 TMA 在区分正常和癌变脑细胞方面具有充分的感应能力,使其成为早期和高效脑癌检测器的可行候选者。这项研究可为今后利用太赫兹辐射检测脑癌的研究奠定基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A cross-shaped terahertz metamaterial absorber for brain cancer detection.

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.

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来源期刊
Biomedical Physics & Engineering Express
Biomedical Physics & Engineering Express RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-
CiteScore
2.80
自引率
0.00%
发文量
153
期刊介绍: BPEX is an inclusive, international, multidisciplinary journal devoted to publishing new research on any application of physics and/or engineering in medicine and/or biology. Characterized by a broad geographical coverage and a fast-track peer-review process, relevant topics include all aspects of biophysics, medical physics and biomedical engineering. Papers that are almost entirely clinical or biological in their focus are not suitable. The journal has an emphasis on publishing interdisciplinary work and bringing research fields together, encompassing experimental, theoretical and computational work.
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