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The vector differential magnetometer on YIG film with domain structure

Keywords:

O.V. Voronkov – Ph. D. (Eng.), Head of Department, Mytishchinsky SRI of Radio-Measuring Instruments E-mail: info@niirip.ru I.N. Kabanov – Ph. D. (Eng.), Head of Department, Mytishchinsky SRI of Radio-Measuring Instruments E-mail: mr.kin63@mail.ru V.P. Meschanov – Dr. Sc. (Eng.), Professor, Director NIKA-Microwave, Ltd (Saratov) E-mail: nika373@bk.ru L.S. Sotov – Dr. Sc. (Eng.), Professor, Saratov State University named after N.G. Chernyshevsky E-mail: slskit@mail.ru A.L. Khvalin – Ph. D. (Eng.), Associate Professor, Saratov State University named after N.G. Chernyshevsky E-mail: Khvalin63@mail.ru


Methods of an active radar-location are widely applied in geological exploration, at diagnostics and detection the ferrite bodies. However, in mobile and onboard search engines for decrease in power consumption it appears more favorably to use of passive methods, including on the basis of measurement of the magnetic fields created by studied objects. The design of the magnetometer and method of measurement of a vector of the magnetic field, allowing to solve similar problems is presented in article. The design contains the technical solutions improving the main performance data of magnetometers of differential type, provides increase of sensitivity, a noise stability, excludes the mistakes connected with not identity of elements of the scheme and schemes of their processing. The magnetometer allows to define to a component of a vector of magnetic induction, or the field created by a ferrite body, and allows creation on its basis of 1-2-3-x component sensors of a magnetic field, navigation systems on a magnetic field of Earth and so forth. In the article a method of measuring the magnetic field components and device for its implementation can reduce drift and improve the characteristics of temperature and time stability of one-component magnetometer by compensating for environmental factors. Design simplification is achieved by using only one transducer and eliminating the need of manufacturing two identical transducers the magnetic field oriented in opposite directions.
References:

 

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