半导体光电, 2018, 39 (6): 790, 网络出版: 2019-01-10
大带宽集成光学电场传感器的频率响应特性分析
Frequency Response Characteristics of Broadband Integrated Optical Electric Field Sensor
集成光学传感器 电场传感器 脉冲电场测量 锥形天线阵列 integrated optical sensor electric field sensor pulsed electric field measurement tapered antenna array
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。
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.
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. CHEN Bo, SHANG Boxiang, LIU Chen, CAO Yongsheng. Frequency Response Characteristics of Broadband Integrated Optical Electric Field Sensor[J]. Semiconductor Optoelectronics, 2018, 39(6): 790.
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