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Spin dynamics of the potassium magnetometer in spin-exchange relaxation free regime

  • Ji Qing Fu
  • , Peng Cheng Du
  • , Qing Zhou
  • , Ru Quan Wang*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The laser-pumped potassium spin-exchange relaxation free (SERF) magnetometer is the most sensitive detector of magnetic field and has many important applications. We present the experimental results of our potassium SERF magnetometer. A pump-probe approach is used to identify the unique spin dynamics of the atomic ensemble in the SERF regime. A single channel sensitivity of 8 f•THz-1/2 is achieved with our SERF magnetometer.

Original languageEnglish
Article number010302
JournalChinese Physics B
Volume25
Issue number1
DOIs
StatePublished - 30 Nov 2015
Externally publishedYes

Keywords

  • Larmor process
  • atomic magnetometer
  • spin-exchange relaxation free magnetometer

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