MEMS miniaturized low-noise magnetic field sensor for the observation of sub-millihertz magnetic fluctuations in space exploration

被引：0

作者：

Manyosa, X. ^{[1
,4
]}

Roma-Dollase, D. ^{[2
,4
]}

Arque, M. ^{[2
,4
]}

Bonastre, B. ^{[2
,4
]}

Jimenez, V. ^{[1
,4
]}

Ramos-Castro, J. ^{[1
,4
]}

Pons-Nin, J. ^{[1
,4
]}

Martin, V. ^{[2
,4
]}

Salvans-Tort, J. ^{[2
,4
]}

Gomez, S. ^{[1
,3
]}

Sanuy, A. ^{[3
,4
]}

Mauricio, J. ^{[3
,4
]}

Gascon, D. ^{[3
,4
]}

Nofrarias, M. ^{[2
,4
]}

Dominguez-Pumar, M. ^{[4
]}

机构：

[1] Univ Politecn Cataluna, Jordi Girona 31, Barcelona 08034, Spain

[2] Inst Ciencies Espai, Campus UAB,Carrer Can Magrans S N, Cerdanyola del Valles 08193, Spain

[3] Univ Barcelona, ICCUB, Barcelona, Spain

[4] Inst Estudis Espacials Catalunya IEEC, Gran Capita, 2 4,Ed Nexus, Barcelona 08034, Spain

来源：

MEASUREMENT | 2024年 / 230卷

关键词：

Magnetometer; Magnetic field modulation; 1/f noise; HALL SENSOR; MAGNETOMETER; TURBULENCE;

D O I：

10.1016/j.measurement.2024.114489

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The objective of this paper is to show that, using magnetic field modulation with a MEMS resonator, it is possible to reduce the noise floor of a commercial Tunneling Magnetic Resistance by one order of magnitude, in the ultra-low frequency range. Low noise at this frequency range is a strong requirement in planetary or space exploration missions like LISA (Laser Interferometer Space Antenna), where the observed gravitational waves will be in the 0.1 mHz to 0.1 Hz range. It will be shown that the noise spectral amplitude after demodulation root from 0.1 mHz to 100 mHz is well below the 100 nT/ Hz requirement for the future space-borne gravitational root wave detector LISA -that we take as reference -being at 20 nT/ root Hz at 0.1 mHz, and reaching an average 1.5 nT/ Hz at higher frequencies, from 100 mHz to 1 Hz.

引用

页数：9

共 35 条

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