Chin. Phys. Lett.  2007, Vol. 24 Issue (1): 27-30    DOI:
Original Articles |
Demonstration of a Sagnac-Type Cold Atom Interferometer with Stimulated Raman Transitions
WANG Ping1,2,3;LI Run-Bing1,2,3;YAN Hui1,2,3;WANG Jin1,2;ZHAN Ming-Sheng1,2
1State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071 2Center for Cold Atom Physics, Chinese Academy of Sciences, Wuhan 430071 3Graduate School, Chinese Academy of Sciences, Beijing 100080
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WANG Ping, LI Run-Bing, YAN Hui et al  2007 Chin. Phys. Lett. 24 27-30
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Abstract Cold-matter-wave Sagnac interferometers possess many advantages over their thermal atomic beam counterparts when they are used as precise inertial sensors. We report a realization of a Sagnac-type interferometer with cold atoms. Cold rubidium atoms are prepared in a magneto-optical trap and are pushed by resonant laser pulse to form slow atomic beam. In the interference region, atomic wave packets are coherently manipulated using π/2-π-π/2 Raman pulse sequences. Interference fringes with maximum contrast of 37% are observed experimentally.
Keywords: 03.75.Dg      39.20.+q      42.50.Vk      06.30.Gv     
Published: 01 January 2007
PACS:  03.75.Dg (Atom and neutron interferometry)  
  39.20.+q  
  42.50.Vk  
  06.30.Gv (Velocity, acceleration, and rotation)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2007/V24/I1/027
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WANG Ping
LI Run-Bing
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