High frequency atomic magnetometer by use of electromagnetically induced transparency |
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Authors: | Katsoprinakis G Petrosyan D Kominis I K |
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Institution: | Department of Physics, University of Crete, Heraklion 71103, Greece. |
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Abstract: | Atomic magnetometers have achieved magnetic sensitivities in the subfemtotesla regime. Their bandwidth is determined by the transverse spin relaxation rate, 1/T2, which also determines the magnetic sensitivity. It is theoretically demonstrated that by using an electromagnetically induced transparent probe beam in a pump-probe atomic magnetometer, it is possible to operate the latter at frequencies much higher than its bandwidth, maintaining a high signal-to-noise ratio. |
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