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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 3 — Feb. 1, 2010
  • pp: 2190–2196

Spatially resolved magnetometry using cold atoms in dark optical tweezers

Fredrik K. Fatemi and Mark Bashkansky  »View Author Affiliations


Optics Express, Vol. 18, Issue 3, pp. 2190-2196 (2010)
http://dx.doi.org/10.1364/OE.18.002190


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Abstract

We use Faraday spectroscopy of atoms confined to crossed hollow beam tweezers to map magnetic fields over 3 millimeters with 200 micron resolution in a single trap loading cycle. The hollow beams are formed using spatial light modulation, and the trap location is scanned using acousto-optic deflectors. We demonstrate the technique by mapping a linear quadrupole magnetic field with 10 nT sensitivity.

© 2010 OSA

OCIS Codes
(020.7490) Atomic and molecular physics : Zeeman effect
(230.2240) Optical devices : Faraday effect
(020.3320) Atomic and molecular physics : Laser cooling

ToC Category:
Atomic and Molecular Physics

History
Original Manuscript: December 4, 2009
Revised Manuscript: January 5, 2010
Manuscript Accepted: January 6, 2010
Published: January 19, 2010

Citation
Fredrik K. Fatemi and Mark Bashkansky, "Spatially resolved magnetometry using cold atoms in dark optical tweezers," Opt. Express 18, 2190-2196 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-3-2190


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References

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