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Ultrahigh sensitivity magnetic field and magnetization measurements with an atomic magnetometer
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10.1063/1.3491215
/content/aip/journal/apl/97/15/10.1063/1.3491215
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/15/10.1063/1.3491215
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Drawing of the magnetometer system. A: alkali-metal cell, B: boron-nitride oven, C: photo of the radiation shield, D: optical access for probe laser, E: G-7 fiberglass frame for magnetic field and gradient coils and water cooling, F: photo of the sample heater, and G: ferrite magnetic shield.

Image of FIG. 2.
FIG. 2.

Optical rotation in response to a 10 pT oscillating magnetic field as a function of the pump and probe laser power. Left panel: measurement points with color interpolation, right panel: theoretical calculation.

Image of FIG. 3.
FIG. 3.

Magnetic field response curves (top) and noise spectrum (bottom) for different values of the magnetic field. The left axis shows magnetization sensitivity of the gradiometer.

Image of FIG. 4.
FIG. 4.

Rock magnetization as a function of temperature. Inset shows that even at highest temperature the signal-to-noise is greater than 30. These measurements are obtained without gradiometric recording.

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/content/aip/journal/apl/97/15/10.1063/1.3491215
2010-10-14
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ultrahigh sensitivity magnetic field and magnetization measurements with an atomic magnetometer
http://aip.metastore.ingenta.com/content/aip/journal/apl/97/15/10.1063/1.3491215
10.1063/1.3491215
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