基于抽运光调制的原子自旋惯性测量响应特性分析方法

doi:10.12305/j.issn.1001-506X.2025.03.24

系统工程与电子技术 ›› 2025, Vol. 47 ›› Issue (3): 923-928.doi: 10.12305/j.issn.1001-506X.2025.03.24

• 制导、导航与控制 • 上一篇

基于抽运光调制的原子自旋惯性测量响应特性分析方法

胡泽一, 段利红, 马乐乐, 田睿希, 姜世龙, 全伟

北京航空航天大学仪器科学与光电工程学院, 北京 100190

收稿日期:2024-05-27 出版日期:2025-03-28 发布日期:2025-04-18
通讯作者: 段利红
作者简介:胡泽一 (1999—), 男, 博士研究生, 主要研究方向为基于磁光调控的无自旋交换弛豫惯性测量装置
段利红 (1981—), 女, 讲师, 博士, 主要研究方向为原子自旋陀螺、原子自旋检测与极化、量子精密测量激光及其应用
马乐乐 (1999—), 男, 硕士研究生, 主要研究方向为无自旋交换共磁计
田睿希 (2000—), 女, 硕士研究生, 主要研究方向为量子精密探测与测量
姜世龙 (2000—), 男, 硕士研究生, 主要研究方向为激光失谐稳频
全伟 (1977—), 男, 教授, 博士, 主要研究方向为天文导航、基于碱金属蒸气电池的原子惯性传感器
基金资助:
国家自然科学基金(61925301);国家自然科学基金(62103026)

Analysis method for response characteristics of atomic spin inertia measurement based on pump light modulation

Zeyi HU, Lihong DUAN, Lele MA, Ruixi TIAN, Shilong JIANG, Wei QUAN

School of Instrument Science and Optoelectronic Engineering, Beihang University, Beijing 100190, China

Received:2024-05-27 Online:2025-03-28 Published:2025-04-18
Contact: Lihong DUAN

摘要/Abstract

摘要：

原子自旋惯性测量系统受光、热、磁等多物理场及其耦合作用, 误差模型较为复杂, 系统长期稳定性及精度进一步提高遇到瓶颈。对此, 提出一种基于抽运光调制的K-Rb-21Ne原子自旋惯性测量响应特性研究方法, 通过锥形放大器对抽运光功率施加高频调制, 建立调制抽运光对原子自旋系综的极化响应模型, 确定系统输出基频信号与输入角速率的映射关系并进行实验验证。结果表明, 基于抽运光调制的惯性系统在0.1 Hz以上具有明显的低频噪声抑制效果。该方法也适用于原子自旋磁强计、核磁共振陀螺仪等领域, 预计会有同样的效果。

关键词: 原子自旋惯性测量, 抽运光调制, 低频噪声抑制, 长期稳定性

Abstract:

The atomic spin inertia measurement system is affected by multiple physical fields such as light, heat, and magnetism and their coupling effects. The error model is relatively complex, and the long-term stability and accuracy of the system hit a bottleneck. A method to study the response characteristics of K-Rb-21Ne atomic spin inertia measurement based on pump light modulation is proposed. High-frequency modulation of the pump light power is applied through a tapered amplifier (TA), and the polarization response model of modulated pump light on atomic spin ensemble is established, which determines the mapping relationship between the system output fundamental frequency signal and the input angular rate and conducts experimental verification. The results show that the inertial system based on pump light modulation has obvious low-frequency noise suppression effect above 0.1 Hz. This method is also applicable to fields such as atomic spin magnetometers and nuclear magnetic resonance gyroscopes, and is expected to have the same effect.

Key words: atomic spin inertia measurement, pump light modulation, low-frequency noise suppression, long-term stability

中图分类号:

TN918

胡泽一, 段利红, 马乐乐, 田睿希, 姜世龙, 全伟. 基于抽运光调制的原子自旋惯性测量响应特性分析方法[J]. 系统工程与电子技术, 2025, 47(3): 923-928.

Zeyi HU, Lihong DUAN, Lele MA, Ruixi TIAN, Shilong JIANG, Wei QUAN. Analysis method for response characteristics of atomic spin inertia measurement based on pump light modulation[J]. Systems Engineering and Electronics, 2025, 47(3): 923-928.

图/表 5

参考文献 32

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基于抽运光调制的原子自旋惯性测量响应特性分析方法

Analysis method for response characteristics of atomic spin inertia measurement based on pump light modulation

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