基于幅度调制技术的工频电场量子测量

doi:10.3969/j.issn.1007-5461.2026.04.012

量子电子学报 ›› 2026, Vol. 43 ›› Issue (4): 632-640.doi: 10.3969/j.issn.1007-5461.2026.04.012

基于幅度调制技术的工频电场量子测量

丁超 1, 蒲曾鑫 1, 宋宏天 2,3*, 张英 1, 王保帅 2,3, 张淮清 4, 胡珊珊 2,3, 黄宇 1, 吴宇豪 4

1 贵州电网有限责任公司电力科学研究院, 贵州贵阳 550001;2 南方电网科学研究院有限责任公司, 广东广州 510700; 3 广东省电网智能量测与先进计量重点实验室, 广东广州 510700;4 重庆大学电气工程学院, 重庆 401331

收稿日期:2024-09-14 修回日期:2024-11-15 出版日期:2026-07-28 发布日期:2026-07-27
通讯作者: E-mail: songht@csg.cn E-mail:E-mail: songht@csg.cn
作者简介: 丁超 ( 1988 - ), 浙江绍兴人, 工程师, 硕士, 主要从事电能计量、电磁兼容等方面的研究。E-mail: 870550642@qq.com
基金资助:
中国南方电网贵州电网有限责任公司资助项目(GZKJXM20222158, GZKJXM20222147, GZKJXM20222200), 广东省科技计划项目(2021B1212050014)

Quantum measurement of power‐frequency electric field based on amplitude modulation technology

DING Chao 1 , PU Zengxin 1 , SONG Hongtian 2,3*, ZHANG Ying 1 , WANG Baoshuai 2,3 ,ZHANG Huaiqing 4 , HU Shanshan 2,3 , HUANG Yu 1 , WU Yuhao

1 Electric Power Research Institute of Guizhou Power Grid Co., Ltd., Guiyang 550001, China; 2 CSG Electric Power Research Institute, Guangzhou 510700, China; 3 Guangdong Provincial Key Laboratory of Intelligent Measurement and Advanced Metering of Power Grid, Guangzhou 510700, China; 4 School of Electrical Engineering, Chongqing University, Chongqing 401331, China

Received:2024-09-14 Revised:2024-11-15 Published:2026-07-28 Online:2026-07-27

摘要/Abstract

摘要： 基于幅度调制技术的工频电场测量方案利用里德堡原子的高电场敏感性, 将工频电场调制至高频射频信号上, 从而有效解决了低频电场屏蔽的难题。本文探究了射频载波频率对里德堡原子气室中电场强度的影响, 以及射频场作用下电磁诱导透明光谱的响应特性。首先从幅度调制技术工作参数的角度对工频电场测量方案进行了优化, 确定最优载波频率为120 MHz, 载波幅度为2 V/cm。进而在该参数配置下, 实现了0~2 V/cm范围内工频电场强度的精确测量, 测量误差控制在0.377%以内, 频率测量不确定度优于0.5%。该改进方法为电场测量过程参数的设置提供了依据, 增强了实际应用的可操作性, 为工频电场的高精度测量提供了有效参考。

关键词: 量子测量, 里德堡原子, 电磁诱导透明, 幅度调制, 工频电场

Abstract: The power-frequency electric field measurement scheme based on amplitude modulation leverages the high electric field sensitivity of Rydberg atoms to modulate the power-frequency field onto a radio frequency (RF) signal with high-frequency, and effectively addresses the challenge of low-frequency electric field shielding. This study examines the impact of RF carrier frequency on the electric field strength within a Rydberg atom vapor cell, as well as the response characteristics of electromagnetically induced transparency spectra under RF fields. Firstly, the power-frequency electric field measurement scheme is optimized regarding amplitude modulation operating parameters, with the carrier frequency being determined as 120 MHz and the carrier amplitude as 2 V/cm. Then, with these configuration parameters, precise measurement of power-frequency electric field strengths in the range of 0-2 V/cm is achieved, with the measurement error controlled within 0.377% and the frequency measurement uncertainty better than 0.5%. This improved method provides a basis for parameter settings in the power-frequency electric field measurement process, enhancing operational feasibility for practical applications and offering an effective reference for high-precision measurement of power-frequency electric fields.

Key words: quantum measurement, Rydberg atom, electromagnetically induced transparency, amplitude modulation, power-frequency electric field

中图分类号:

O562

丁超, 蒲曾鑫, 宋宏天, 张英, 王保帅, 张淮清, 胡珊珊, 黄宇, 吴宇豪 . 基于幅度调制技术的工频电场量子测量[J]. 量子电子学报, 2026, 43(4): 632-640.

DING Chao , PU Zengxin , SONG Hongtian , ZHANG Ying , WANG Baoshuai , , ZHANG Huaiqing , HU Shanshan , , HUANG Yu , WU Yuhao . Quantum measurement of power‐frequency electric field based on amplitude modulation technology[J]. Chinese Journal of Quantum Electronics, 2026, 43(4): 632-640.

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基于幅度调制技术的工频电场量子测量

Quantum measurement of power‐frequency electric field based on amplitude modulation technology

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