Technical Physics Letters
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Optical magnetometric sensor for magnetoencephalographic complexes
Vershovskii A. K.
1, Petrenko M. V.
1
1Ioffe Institute, St. Petersburg, Russia
Email: antver@mail.ioffe.ru, m.petrenko@mail.ioffe.ru
A new implementation of the method of optical pumping of alkaline atoms in the scheme of a highly sensitive compact single-beam sensor of a nonzero magnetic field is proposed, which allows it to be used as part of a magnetoencephalographic complex with a remote laser pumping source. The proposed method makes it possible, in particular, to pump an array of sensors with a single source of polarization-modulated resonant radiation connected to sensors by means of polarization-supporting optical fibers. A model experiment has been carried out confirming the principle feasibility and effectiveness of the method. Keywords: Optically detectable magnetic resonance, quantum magnetometer, magnetoencephalography.
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