A 13-GHz "3-D" Near-Field Imager Employing Programmable Fringing Fields for Cancer Imaging

被引：0

作者：

Cheng, Zong-Jun ^{[1
]}

Chuang, Shu-Yan ^{[1
]}

Weng, Wei-Yang ^{[1
]}

Huang, Guan-Yu ^{[1
]}

Li, Yan-Huei ^{[1
]}

Yu, Fu-Siang ^{[2
]}

Yeh, Hsiu-Cheng ^{[1
]}

Lin, Yu-Cheng ^{[1
]}

Chang, Yun-Jui ^{[1
]}

Hou, Hung-Yu ^{[1
]}

Chen, Yi-Ting ^{[1
]}

Chien, Jun-Chau ^{[1
,3
]}

机构：

[1] Natl Taiwan Univ, Grad Inst Elect Engn, Taipei 106216, Taiwan

[2] Natl Taiwan Univ, Dept Elect Engn, Taipei 106216, Taiwan

[3] Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA

来源：

IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS | 2023年 / 33卷 / 06期

关键词：

3-D imaging; impedance modulation; microwave frequencies; near-field imaging; standing-wave oscillator (SWO);

D O I：

10.1109/LMWT.2023.3265584

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This letter presents a field-programming technique for 3-D near-field medical imaging at microwave frequencies. The design employs a stacked electrode pair to control the fringing electric fields based on impedance modulation principle and images tissue permittivity using standing-wave oscillators (SWOs). Implemented in 180-nm CMOS, the imager consists of 220 50 x 50 mu m pixels and consumes 6.2 mW/pixel of power. Three-dimensional imaging is demonstrated using microfluidics and phantom samples achieving similar to 1-mu m depth resolution.

引用

页码：931 / 934

页数：4

共 7 条

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