Microwave electro-optical imaging system using a frequency tracking optical local oscillator source with a polarization CMOS image sensor

被引：0

作者：

Okada, Ryoma ^{[1
]}

Mizuno, Maya ^{[2
]}

Takehara, Hironari ^{[1
,3
]}

Haruta, Makito ^{[4
,5
]}

Tashiro, Hiroyuki ^{[1
,6
]}

Ohta, Jun ^{[5
]}

Sasagawa, Kiyotaka ^{[1
,7
]}

机构：

[1] Nara Inst Sci & Technol, Grad Sch Sci & Technol, Div Mat Sci, 8916-5 Takayama, Ikoma, Nara 6300192, Japan

[2] Natl Inst Informat & Commun Technol, Radio Res Inst, 4-2-1 Nukui Kitamach, Koganei, Tokyo 1848795, Japan

[3] Nara Adv Imaging Technol Co Ltd, 8916-12 Takayama, Ikoma, Nara 6300101, Japan

[4] Chitose Inst Sci & Technol, Dept Optoelect Syst Engn, 758-65 Bibi, Chitose, Hokkaido 0668655, Japan

[5] Nara Inst Sci & Technol, Inst Res Initiat, 8916-5 Takayama, Ikoma, Nara 6300192, Japan

[6] Kyushu Univ, Fac Med Sci, Dept Hlth Sci, 3-1-1 Maidashi,Higashi Ku, Fukuoka 8128582, Japan

[7] Nara Inst Sci & Technol, Grad Sch Sci & Technol, Medilux Res Initiat, 8916-5 Takayama, Ikoma, Nara 6300192, Japan

来源：

IEICE ELECTRONICS EXPRESS | 2025年 / 22卷 / 05期

关键词：

electro-optic imaging system; microwave imaging; CMOS polarization image sensor; on-pixel polarizer; ELECTROMAGNETIC-WAVES; VISUALIZATION; GENERATION; INTENSITY; LASERS; PROBE;

D O I：

10.1587/elex.22.20240742

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：

In this study, we developed a high-frequency electric field imaging system based on the first-order electro-optic effect for the detection of time-varying frequency wave sources. The proposed system utilizes the optical heterodyne technique. The process begins with an antenna that detects the frequency of the electric field of interest, which is then fed into the optical local oscillator (LO) signal generation system. This optical LO signal tracks the frequency of the electric field being observed while maintaining a constant intermediate frequency. This configuration enables the visualization of dynamic electric fields, including asynchronous wave sources and frequency-modulated signals, without requiring a direct physical connection to the wave source.

引用

页数：6

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