JOM-1 型Overhauser 磁力仪研制

吉林大学学报(信息科学版) ›› 2015, Vol. 33 ›› Issue (4): 409-.

JOM-1 型Overhauser 磁力仪研制

张爽^a, 何佳泷^a, 陈曙东^a, 王娇妮^a, 郭欣^b, 李海英^b

吉林大学a. 电子科学与工程学院; b. 物理学院, 长春130012

出版日期:2015-07-24 发布日期:2015-12-02
作者简介:张爽(1967—), 男, 长春人, 吉林大学教授, 主要从事电磁传感理论与技术研究, (Tel)86-13504312310(E-mail) zhangshuang@ jlu. edu. cn。
基金资助:
吉林省产业技术研究与开发专项基金资助项目(2013C035-1)

Development of JOM-1 Model Overhauser Magnetometer

ZHANG Shuang^a, HE Jialong^a, CHEN Shudong^a, WANG Jiaoni^a, GUO Xin^b, LI Haiying^b

a. College of Electronic Science and Engineering; b. College of Physics, Jilin University, Changchun 130012, China

Online:2015-07-24 Published:2015-12-02

摘要/Abstract

摘要：

为提高磁力仪的性能, 给出了自主研发的JOM-1 型Overhauser 磁力仪的工作原理及系统硬件构成, 主要介绍了射频激励电路、信号调理电路、工作时序、仪器的噪声水平及实验结果。野外测试表明该仪器实现了数据采集、显示、存储和查看等基本功能, 信号的初始信噪比为96 颐1, 约为自主研发的JPM-1 型普通质子旋进磁力仪的3 倍, 灵敏度可达0. 14 nT。

关键词: Overhauser 磁力仪, 质子旋进磁力仪, 灵敏度, 射频激励, 信号调理

Abstract:

Overhauser magnetometer is a high sensitivity magnetostatic measuring instrument based on Overhauser effect. It has become a hot research topic in recent years, because it has high performance and is widely used. The working principle and hardware structure of JOM-1 Overhauser magnetometer are given and
some key parts such as RF(Radio Frequency) excitation circuit, signal processing circuit, working sequence,noise level and experimental results are introduced. Field tests indicate that JOM-1 Overhauser magnetometer has achieved basic functions such as data collection, display, storage, viewing and so on. 0. 14 nT sensitivity is obtained and initial signal to noise ratio can reach 96:1, which is three times of the JPM-1 proton precession magnetometer fabricated by our lab.

Key words: Overhauser magnetometer, proton magnetometer, sensitivity, radio frequency (RF) excitation, signal processing

中图分类号:

P631

张爽, 何佳泷, 陈曙东, 王娇妮, 郭欣, 李海英. JOM-1 型Overhauser 磁力仪研制[J]. 吉林大学学报(信息科学版), 2015, 33(4): 409-.

ZHANG Shuang, HE Jialong, CHEN Shudong, WANG Jiaoni, GUO Xin, LI Haiying. Development of JOM-1 Model Overhauser Magnetometer[J]. Journal of Jilin University(Information Science Ed, 2015, 33(4): 409-.

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