Intense Electric-field Sensor for Broad Temperature-range Applications Based on the Electro-optic Interferometer of Bulk Lithium Niobate

SUN Shangpeng; YANG Qing; HE Yanxiao; LUO Mandan; LIU Hongwen; WANG Ke

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Intense Electric-field Sensor for Broad Temperature-range Applications Based on the Electro-optic Interferometer of Bulk Lithium Niobate

更新时间：2025-12-08

- Intense Electric-field Sensor for Broad Temperature-range Applications Based on the Electro-optic Interferometer of Bulk Lithium Niobate
- Vol. 46, Issue 6, Pages: 1913-1921(2020)
- 作者机构：
  
  1. 重庆大学输配电装备及系统安全与新技术国家重点实验室
  2. 国网宁夏电力有限公司电力科学研究院
  3. 云南电网有限责任公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：30 June 2020，
  
  Published：2020
- 稿件说明：
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SUN Shangpeng, YANG Qing, HE Yanxiao, et al. Intense Electric-field Sensor for Broad Temperature-range Applications Based on the Electro-optic Interferometer of Bulk Lithium Niobate[J]. 2020, 46(6): 1913-1921.
DOI：

SUN Shangpeng, YANG Qing, HE Yanxiao, et al. Intense Electric-field Sensor for Broad Temperature-range Applications Based on the Electro-optic Interferometer of Bulk Lithium Niobate[J]. 2020, 46(6): 1913-1921. DOI：

摘要

目前光学电场传感器具有场强测量幅值高、频率测量范围宽的优点

但温度稳定性弱制约了其发展和应用。为此

分析了温度对x轴通光和z轴通光铌酸锂电场传感器的影响机理

提出了一种采用铌酸锂z轴通光调制方式、适用于宽温区试验研究的电光干涉型强电场传感器

通过搭建宽温区测试平台来获取电场传感器在宽温区内的传递函数参数;同时

校准了电场传感器的线性测量范围、典型电场波形响应和频率响应曲线。研究结果表明:校准后的电场传感器在0～50℃宽温区内的传递函数保持稳定

能够准确测量频率范围为10 Hz～700 kHz、幅值为5～600 kV/m的电场信号

可为实际应用提供参考。

Abstract

At present

the optical E-field sensor shows the advantages of large measurement amplitude and wide frequency range

but the weak temperature stability restricts its development and application. For this reason

the influence mechanism on temperature stability of E-field sensors using lithium niobate with the x-axis and z-axis propagation was analyzed in this paper. And the interferometric E-field sensor with the z-axis propagation which is suitable for a broad range of temperatures was proposed. A test platform was constructed to obtain the transfer function parameters of E-field sensor in a wide temperature range. Meanwhile

its basic characteristics was calibrated

including the temperature dependence of the linear measurement range

typical signal response and frequency response. The results show that the calibrated E-field sensor is able to keep stable in the wide temperature range of 0～50 ℃

and it is capable of measuring an electric fields of frequencies of 10 Hz～700 kHz and intensities of 5～ 600 kV/m

which can provide references for the practical application.

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