阿基米德螺旋天线在微波热疗中的应用

2022 3rd International Conference on Smart Electronics and Communication (ICOSEC) Pub Date : 2022-10-20 DOI:10.1109/ICOSEC54921.2022.9952156

Komalpreet Kaur, A. Kaur

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引用次数: 0

摘要

本文的目的是设计和分析一种紧凑尺寸的聚焦阿基米德螺旋微带天线(ASMPA)，具有适合热疗(HT)应用的SAR值。设计的ASMPA谐振频率范围为2.5 GHz，覆盖2.37 ~ 2.63 GHz的带宽，峰值增益为3.1 dB，驻波比< 2。该天线由单层FR-4组成，优化尺寸为38×38×1.64 mm3，具有缺陷地面(DGS)。所述单螺旋形贴片压印在FR-4基板的正面。在CST Microwave version 19中对该天线进行了设计和仿真。三层(皮肤，肌肉和脂肪)人体模拟设计用于模拟暴露于ASMPA时的SAR和温度分析。生物模拟物癌变影响区的SAR和温升分别为8 W/Kg和42°C。因此，特定的SAR和温度bbb41°C使所提出的ASMPA成为使用HT应用治疗浅表性皮肤癌的合适选择。

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Archimedes Spiral Antenna for the Microwave Hyperthermia Application

The aim of this manuscript is to design and analyse a compact sized focussed archimedean spiral micro strip antenna (ASMPA) with suitable SAR values for hyperthermia (HT) applications. The proposed ASMPA is design to resonate at 2.5 GHz frequency range and covers the bandwidth from 2.37 to 2.63 GHz with peak gain of 3.1 dB and VSWR < 2. The proposed antenna consists of single layer of FR-4 with optimized dimension of 38×38×1.64 mm3 with defected ground surface (DGS). The single spiral shaped patch is imprinted on the front side of the substrate of FR-4. The proposed antenna is design and simulated in CST Microwave version 19. Three-layered (skin, muscle and fat) human mimic is designed for SAR and temperature analysis of the phantom when exposed by ASMPA. The SAR and temperature rise over the cancerous affect area of bio mimic is 8 W/Kg and 42 °C respectively. Thus specific SAR and temperature > 41 °C make the proposed ASMPA a suitable choice for the treatment of superficial skin cancer using HT application.

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2022 3rd International Conference on Smart Electronics and Communication (ICOSEC)

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