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Opt Lett. 2009 Nov 15;34(22):3529-31. doi: 10.1364/OL.34.003529.

Magnetic field imaging with atomic Rb vapor.

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Department of Physics, The College of William & Mary, Williamsburg, Virginia 23187, USA.


We demonstrate the possibility of dynamic imaging of magnetic fields using electromagnetically induced transparency in an atomic gas. As an experimental demonstration we employ an atomic Rb gas confined in a glass cell to image the transverse magnetic field created by a long straight wire. In this arrangement, which clearly reveals the essential effect, the field of view is about 2 x 2 mm(2) and the field detection uncertainty is 0.14 mG per 10 microm x 10 microm image pixel.

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