Principle and Performance of a Dual-Band Search Coil Magnetometer: A New Instrument to Investigate Fluctuating Magnetic Fields in Space

被引：39

作者：

Coillot, C. ^{[1
]}

Moutoussamy, J. ^{[1
]}

Lebourgeois, R. ^{[2
]}

Ruocco, S. ^{[3
]}

Chanteur, G. ^{[1
]}

机构：

[1] CNRS, Plasma Phys Lab, French Natl Ctr Sci Res, F-78140 Velizy Villacoublay, France

[2] Thales Res & Technol, F-91767 Palaiseau, France

[3] CNRS LATMOS, French Natl Ctr Sci Res, F-78140 Velizy Villacoublay, France

来源：

IEEE SENSORS JOURNAL | 2010年 / 10卷 / 02期

关键词：

Frequency response; magnetic analysis; magnetometers; mutual coupling; DEMAGNETIZING FACTORS;

D O I：

10.1109/JSEN.2009.2030977

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Search-coil magnetometers are of common use in space physics thanks to their simplicity, robustness and ability to measure weak magnetic fields: their sensitivity can reach a few tens of fT/root Hz in the range 10-100 kHz. The frequency band is grossly determined by the resonance of the coil. Simply adding a second coil does not efficiently extend the frequency band beyond the first resonance due to the mutual impedance of the two coils. We present a solution, called "mutual reducer," which allows us to take full benefit of the second coil and efficiently extends the frequency band. The physical principle is described first, followed by a detailed presentation of this " dual-band search-coil" (DBSC) that will be part of the Plasma Wave Instrument (PWI) onboard the Mercury Magnetospheric Orbiter (MMO) of the ESA-JAXA mission BepiColombo dedicated to the exploration of the plasma environment of planet Mercury.

引用

页码：255 / 260

页数：6

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