锁相技术用于非屏蔽射频原子磁强计的高灵敏度操作

IF 5.9 2区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Instrumentation and Measurement Pub Date : 2025-09-10 DOI:10.1109/TIM.2025.3608340

Han Yao;Ferruccio Renzoni

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引用次数: 0

摘要

射频原子磁强计在无屏蔽环境下的高灵敏度工作需要对环境磁场的低频波动进行补偿。在这里，我们演示了使用锁相（PL）技术来稳定磁环境并在高频下实现高灵敏度。这是通过使用AM的输出来实现稳定和测量目的。该方法在无屏蔽环境中进行了概念验证。通过与使用一组磁通门磁强计稳定磁环境的标准方法进行比较，证明了PL方法在信号检测方面具有优越的性能。

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High-Sensitivity Operation of Unshielded Radio Frequency Atomic Magnetometers Using Phase-Lock Techniques

High-sensitivity operation of radio frequency atomic magnetometers (AMs) in unshielded environment requires compensation of low-frequency fluctuations of the ambient magnetic field. Here, we demonstrate the use of phase-lock (PL) techniques to stabilize the magnetic environment and achieve high sensitivity at high frequencies. This is achieved by using the output of the AM both for stabilization and for measurement purposes. The approach is validated by a proof-of-concept in unshielded environment. The PL approach is also compared to the standard approach, where the magnetic environment is stabilized with the help of a set of fluxgate magnetometers, and it is shown that the PL approach features superior performances in signal detection.

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来源期刊

IEEE Transactions on Instrumentation and Measurement 工程技术-工程：电子与电气

CiteScore

9.00

自引率

23.20%

发文量

1294

审稿时长

3.9 months

期刊介绍： Papers are sought that address innovative solutions to the development and use of electrical and electronic instruments and equipment to measure, monitor and/or record physical phenomena for the purpose of advancing measurement science, methods, functionality and applications. The scope of these papers may encompass: (1) theory, methodology, and practice of measurement; (2) design, development and evaluation of instrumentation and measurement systems and components used in generating, acquiring, conditioning and processing signals; (3) analysis, representation, display, and preservation of the information obtained from a set of measurements; and (4) scientific and technical support to establishment and maintenance of technical standards in the field of Instrumentation and Measurement.