MAGNETOMETER WITHOUT SERVO CONTROL AND WITH COMPENSATION OF FLUCTUATIONS OF THE WEAK FIELD RESONANCE SLOPE, ARRAY OF MAGNETOMETERS AND MEASUREMENT METHOD

A magnetometer including a detector configured to measure the amplitude of an output signal at an oscillation frequency to deduce a component of a magnetic field to be measured starting from the value of a resonance gradient, including a main excitation source outputting a measurement signal oscilla...

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Bibliographic Details
Main Authors LE PRADO, Matthieu, LEGER, Jean-Michel, MORALES, Sophie
Format Patent
LanguageEnglish
French
German
Published 19.08.2020
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
MEDICAL OR VETERINARY SCIENCE
PHYSICS
SURGERY
TESTING
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Summary:A magnetometer including a detector configured to measure the amplitude of an output signal at an oscillation frequency to deduce a component of a magnetic field to be measured starting from the value of a resonance gradient, including a main excitation source outputting a measurement signal oscillating at a main oscillation frequency and a secondary excitation source outputting a reference signal with known amplitude oscillating at a secondary oscillation frequency, the detector being configured to measure the output signal amplitude at a harmonic of the secondary oscillation frequency and to deduce said resonance gradient. The invention also applies to a network of magnetometers and a method of measuring a magnetic field without slaving and compensation of fluctuations of the resonance gradient.
Bibliography:Application Number: EP20150185192