大带宽集成光学电场传感器的频率响应特性分析 |
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引用本文: | 陈博,尚博祥,刘晨,曹永盛.大带宽集成光学电场传感器的频率响应特性分析[J].半导体光电,2018,39(6):790-792,810. |
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作者姓名: | 陈博 尚博祥 刘晨 曹永盛 |
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作者单位: | 国网天津市电力公司信息通信公司,天津,300000;电子科技大学信息与通信工程学院,成都,611731 |
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基金项目: | 国家自然科学基金项目(61505067); |
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摘 要: | 采用马赫-曾德尔光波导干涉仪与锥形天线阵列,研制了基于铌酸锂(LiNbO3)结构、可用于电力电场测量的大带宽电场传感器,并通过实验对传感器性能进行了测试。结果表明,该传感器在10kHz~18GHz的大带宽范围内,频响特性波动小于±10dB,最小可测电场强度达到0.4V/m,可测量场强达103V/m的纳秒脉冲电场。
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关 键 词: | 集成光学传感器 电场传感器 脉冲电场测量 锥形天线阵列 |
收稿时间: | 2018/7/9 0:00:00 |
Frequency Response Characteristics of Broadband Integrated Optical Electric Field Sensor |
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Abstract: | A LiNbO3-based integrated optical sensor with Mach-Zehnder optical waveguide interferometer and tapered antenna array was designed and fabricated for electric field detection. Experimental results reveal that this sensor has a frequency response deviation less than ±10dB in the range of 10kHz~18GHz, and its minimum detectable electric field intensity reaches 0.4V/m. Moreover, a pulsed electric field with nanoseconds width and electric field intensity of 103V/m was realized. |
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Keywords: | integrated optical sensor electric field sensor pulsed electric field measurement tapered antenna array |
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