Velocity selective optical pumping spectroscopy

속도군 선택 광펌핑 분광학

  • Park, Sung-Jong (Department of Physics, Chungnam National University) ;
  • Cho, Hyuck (Center for Molecular Science, Korea Advanced Institute of Science and Technology) ;
  • Lee, Ho-Seong (Division of Electromagnetic Metrology, Korea Research Institute of Standards and Science)
  • 박성종 (충남대학교 물리학과) ;
  • 조혁 (한국과학기술원 분자과학연구센터) ;
  • 이호성 (한국표준과학연구원 전자기연구부)
  • Published : 1997.10.01


We performed the velocity selective optical pumping(VSOP) spectroscopy using the rubidium atomic vapor in the room temperature. This spectroscopic technique removes the Doppler broadening by both optical pumping effect and the selection of atoms with a particular velocity. In this experiment, we used two independent lasers; one was a locked laser whose frequency was fixed and the other was a sweep laser whose frequency was tunable. The two beams were passing through the sample in the same direction unlike the conventional VSOP spectroscopy using two counter-propagating beams. We could make the velocity selective range of atoms much wider with this method than the old one.



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