Design and Simulation of an UWB Vivaldi Antenna for Cancer Detection and Treatment

2019 1st International Conference on Advances in Science, Engineering and Robotics Technology (ICASERT) Pub Date : 2019-05-01 DOI:10.1109/ICASERT.2019.8934470

A. Hossain, M. K. Hosain

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引用次数: 1

Abstract

An UWB Vivaldi antenna is proposed for cancer detection and treatment. The antenna operates at the resonant frequency of 4.76 GHz within the bandwidth of 4.63 GHz (3.13 GHz-7.76 GHz) in free space. In addition, the antenna possesses a high radiation efficiency of 81.34% and a gain of 5.81 dB in free space condition. The overall dimension of the proposed antenna is 110.46 x 96.77 x 1.67 mm3. The antenna is simulated with 1.6 mm thick FR-4 dielectric substrate since it is cost-effective and easily available. Furthermore, a six-layer biological tissue model comprising of skin, fat, outer cortical bone, cancellous bone, inner cortical bone, and muscle with a tumor of 10 mm radius is modeled to assess antenna performance for cancer detection and treatment. In simulation, a specific gap of 2.5 mm is maintained between the proposed antenna and the proposed phantom model in order to avoid skin burn and other side-effects. Cancerous cells in tumor are detected and killed because of higher SAR value of the cancerous tissue than the normal healthy tissue.

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用于癌症检测与治疗的超宽带维瓦尔第天线的设计与仿真

提出了一种用于癌症检测和治疗的超宽带维瓦尔第天线。该天线在自由空间4.63 GHz (3.13 GHz-7.76 GHz)带宽范围内工作在4.76 GHz的谐振频率。此外，该天线在自由空间条件下具有高达81.34%的辐射效率和5.81 dB的增益。天线的整体尺寸为110.46 x 96.77 x 1.67 mm3。该天线采用1.6 mm厚的FR-4介电基片进行模拟，因为它具有成本效益且易于获得。此外，建立了一个六层生物组织模型，包括皮肤、脂肪、外皮质骨、松质骨、内皮质骨和肌肉，肿瘤半径为10mm，以评估天线在癌症检测和治疗中的性能。在仿真中，为了避免皮肤烧伤和其他副作用，所提出的天线和所提出的幻影模型之间保持2.5 mm的特定间隙。由于肿瘤组织的SAR值高于正常健康组织，因此肿瘤细胞被发现并被杀死。

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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2019 1st International Conference on Advances in Science, Engineering and Robotics Technology (ICASERT)

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