MAGNETIC FIELD MEASUREMENT METHOD

An ODMR member (1) is arranged in a measurement target AC magnetic field. A coil (2) applies a magnetic field of a microwave to the ODMR member (1). A high frequency power supply (3) causes the coil (2) to conduct a current of the microwave. An irradiating device (4) irradiates the ODMR member (1) w...

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Bibliographische Detailangaben
Hauptverfasser:	MIZUOCHI, Norikazu, YOSHII, Yoshiharu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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Beschreibung
Zusammenfassung:	An ODMR member (1) is arranged in a measurement target AC magnetic field. A coil (2) applies a magnetic field of a microwave to the ODMR member (1). A high frequency power supply (3) causes the coil (2) to conduct a current of the microwave. An irradiating device (4) irradiates the ODMR member (1) with light. A light receiving device (5) detects light that the ODMR member (1) emits. A measurement control unit (21) performs a predetermined DC magnetic field measurement sequence at a predetermined phase of the measurement target AC magnetic field, and in the DC magnetic field measurement sequence, controls the high frequency power supply (3) and the irradiating device (4) and thereby determines a detection light intensity of the light detected by the light receiving device (5). A magnetic field calculation unit (22) calculates an intensity of the measurement target AC magnetic field on the basis of the predetermined phase and the detection light intensity.