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Publisher's Note: "Charge decay characteristics of silicon-oxide-nitride-oxide-silicon structure at elevated temperatures and extraction of the nitride trap density distribution" [Appl. Phys. Lett. 85, 660 (2004)]

Unshielded three-axis vector operation of a spin-exchange-relaxation-free atomic magnetometer

Appl. Phys. Lett. 85, 4804 (2004); doi:10.1063/1.1814434

Issue Date: 15 November 2004

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S. J. Seltzer and M. V. Romalis
Department of Physics, Princeton University, Princeton, New Jersey 08544
We describe a vector alkali–metal magnetometer that simultaneously and independently measures all three components of the magnetic field. Using a feedback system, the total field at the location of the magnetometer is kept near zero, suppressing the broadening due to spin-exchange collisions. The resonance linewidth and signal strength of the magnetometer compare favorably with two different scalar operation modes in which spin-exchange relaxation is only partially suppressed. Magnetic field sensitivity on the order of 1  pT/sqrt(Hz) is demonstrated in a laboratory environment without magnetic shields. ©2004 American Institute of Physics
History: Received 29 June 2004; accepted 20 September 2004
Permalink: http://link.aip.org/link/?APPLAB/85/4804/1
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KEYWORDS and PACS

Keywords
PACS
  • 07.55.Ge
    Magnetometers for magnetic field measurements
  • 75.40.Gb
    Dynamic properties of magnetic materials including dynamic susceptibility, spin waves, spin diffusion, dynamic scaling, etc
  • 85.75.Ss
    Magnetic field sensors using spin polarized transport
  • YEAR: 2004

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (11)
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