Method and apparatus for implementing EIT magnetometry

Details Method and apparatus for implementing EIT magnetometry Method and apparatus for implementing EIT magnetometry

2009-05-21

2011-11-08

Arana, Louis (Department: 2858)

Electricity: measuring and testing

Particle precession resonance

Using a magnetometer

C324S304000

Reexamination Certificate

active

08054073

ABSTRACT:
A magnetometer is provided comprising an atomic vapor in an enclosure, a source of light for preparing the vapor into a state exhibiting electromagnetically induced transparency, a first laser beam passing through the atomic vapor, a phase detector for detecting changes in phase of the first laser beam, and a controller which controls the light source and laser beam and receives the information detected by the phase detector in order to compute from those changes in phase a magnetic field strength in the presence of a selected background magnetic field of at least 0.001 T. Operation in the presence of a background field helps make this magnetometer suitable for diagnostic imaging applications.

REFERENCES:
patent: 2010/0188081 (2010-07-01), Lammegger
patent: 2011/0057737 (2011-03-01), Aoyama et al.

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