冲激辐射天线实现皮秒脉冲电场在<br/>人体大脑模型中聚焦的研究

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Abstract A prolate-spheroidal reflector antenna model and a dielectric lens model are constructed with the 3D electromagnetic simulation software of CST Microwave Studio.The focusing properties of the picosecond pulsed electric field (psPEF) caused by the impulse radiating antenna (IRA) in the human brain model are then studied.The simulation results indicate that:The electric field at the second focus F₂ keeps the time-domain characteristics of the input pulse;The psPEF can penetrate into the brain at a depth of 8 cm where the smallest focal spot is created;The focal size is 1 cm×2 cm×1 cm with non-lossy dielectric lens or without dielectric lens,and the focal size is less than 1 cm×1 cm×1 cm with the help of lossy dielectric lens.The simulation results demonstrate that effective focusing of the psPEF in deep brain can be obtained with the combination of the lossy dielectric lens and a single IRA.

Key words： Picosecond pulsed electric field impulse radiating antenna hugo brain model non-lossy dielectric lens lossy dielectric lens

Received: 29 January 2015 Published: 25 February 2016

PACS:	TM836
	Q64

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	Articles by authors
	Guo Fei
	Li Chengxiang
	Tang Xianlun
	Chen Gonggui
	Yao Chenguo

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Guo Fei,Li Chengxiang,Tang Xianlun等. Focusing of Picosecond Pulsed Electric Fields in Human Brain Model with Impulse Radiating Antenna[J]. Transactions of China Electrotechnical Society, 2016, 31(3): 195-201.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I3/195

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