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Dependence of sensitivity of atom interferometer gravimeters on the Raman laser pulse sequences

Liu Min Wang Jin Zhan Ming-Sheng Ren Li-Chun Zhou Lin Li Run-Bing

Dependence of sensitivity of atom interferometer gravimeters on the Raman laser pulse sequences

Liu Min, Wang Jin, Zhan Ming-Sheng, Ren Li-Chun, Zhou Lin, Li Run-Bing
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  • Abstract views:  3552
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  • Received Date:  09 February 2009
  • Accepted Date:  10 March 2009
  • Published Online:  20 December 2009

Dependence of sensitivity of atom interferometer gravimeters on the Raman laser pulse sequences

  • 1. (1)中国科学院武汉物理与数学研究所波谱与原子分子物理国家重点实验室,武汉 430071;中国科学院冷原子物理中心,武汉 430071; (2)中国科学院武汉物理与数学研究所波谱与原子分子物理国家重点实验室,武汉 430071;中国科学院冷原子物理中心,武汉 430071;中国科学院研究生院,北京 100049

Abstract: We investigate the dependence of the sensitivity of atom interferometer gravimeter on the Raman laser pulse sequence. The sensitivity of atom gravimeter can be adjusted by changing the pulse duration. Under the standard pulse configuration condition, the atom interferometer with four pulses is insensitive to the gravity if only gravity and its first order gradient are taken into account. The three-pulse Raman atom interferometer gravimeter displays best sensitivity. Atom interferometers with more than four Raman pulses show poorer sensitivity.

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