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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 8, Iss. 6 — Jun. 1, 2010
  • pp: 549–552

Magnetic field measurement on <sup>87</sup>Rb atomic fountain clock

Chunyan Shi, Rong Wei, Zichao Zhou, Desheng Lv, Tang Li, and Yuzhu Wang  »View Author Affiliations

Chinese Optics Letters, Vol. 8, Issue 6, pp. 549-552 (2010)

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An experiment on measuring the magnetic field in Ramsey interaction region of the atomic fountain clock by detecting the Zeeman frequency shift of <sup>87</sup>Rb hyperfine transition is presented. By mu-metal shielding and coils compensating, the magnetic fluctuations resulting from asymmetry and instability are less than 10 and 0.025 nT, respectively. The relative frequency uncertainty of atomic fountain clock caused by the magnetic field is less than 5.4×10<sup>-16</sup>.

© 2010 Chinese Optics Letters

OCIS Codes
(020.7490) Atomic and molecular physics : Zeeman effect
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.3940) Instrumentation, measurement, and metrology : Metrology

Chunyan Shi, Rong Wei, Zichao Zhou, Desheng Lv, Tang Li, and Yuzhu Wang, "Magnetic field measurement on <sup>87</sup>Rb atomic fountain clock," Chin. Opt. Lett. 8, 549-552 (2010)

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