磁强计
干涉测量
传感器
光学
噪音(视频)
磁致伸缩
分辨率(逻辑)
信号(编程语言)
物理
相(物质)
声学
材料科学
磁场
计算机科学
量子力学
程序设计语言
人工智能
图像(数学)
作者
F. Bucholtz,D.M. Dagenais,K. P. Koo
出处
期刊:Electronics Letters
[Institution of Engineering and Technology]
日期:1989-12-07
卷期号:25 (25): 1719-1721
被引量:40
摘要
Using a cylindrical, DC field biased magnetostrictive transducer in a fibre-optic magnetometer we demonstrate 70 fT/√(Hz) resolution near 34 kHz. This represents 30 dB improvement over previous results. Resolution is limited by interferometric phase noise and is free from upconverted lowfrequency noise and residual signal effects.
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