Measurement of high-power transient electromagnetic pulse field with integrated photonic electric-field sensor

被引：3

作者：

Li, Xianli ^{[1
]}

Cui, Yi ^{[1
]}

Yao, Gaolong ^{[1
]}

Xi, Yongzhen ^{[1
]}

Hai, Xiaoran ^{[1
]}

机构：

[1] Xidian Univ, Key Lab Elect Equipment Struct Design, Minist Educ, Xian, Peoples R China

来源：

INSTRUMENTATION SCIENCE & TECHNOLOGY | 2024年 / 52卷 / 02期

关键词：

Electromagnetic pulse field measurement; electric field sensor; integrated optics; HIGH-VOLTAGE; LITHIUM-NIOBATE; DOT;

D O I：

10.1080/10739149.2023.2232842

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

To satisfy certain special requirements for high-power transient electromagnetic pulse (EMP) field measurements, such as high electric field intensity, broad bandwidth, fast rise time, and compact size, here is described an integrated electro-optic sensor. The frequency response in the range from 100 kHz to 12 GHz and the time-domain input/output characteristics of a sub-nanosecond EMP field with an intensity from 5 to 100 kV/m were experimentally characterized. The sensor was demonstrated to measure the time-domain waveform of the ultrawideband EMP field signals with a rise time of 0.35 ns and bandwidth of 1 GHz. In addition, the minimal detectable electric field strength was 16 mV/m/Hz(1/2) in the frequency domain, and an intense sub-nanosecond electromagnetic pulse with a peak amplitude of 100 kV/m was observed in the time domain. The reported sensor is expected to be broadly used for intense EMP measurements.

引用

页码：151 / 161

页数：11

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