Tao Wang, Tian-gang Yang, Chun-lei Xiao, Dong-xu Dai, Xue-ming Yang. Efficient Coherent Population Transfer of D2 Molecules by Stark-induced Adiabatic Raman Passage[J]. Chinese Journal of Chemical Physics , 2013, 26(1): 8-12. doi: 10.1063/1674-0068/26/01/8-12
Citation: Tao Wang, Tian-gang Yang, Chun-lei Xiao, Dong-xu Dai, Xue-ming Yang. Efficient Coherent Population Transfer of D2 Molecules by Stark-induced Adiabatic Raman Passage[J]. Chinese Journal of Chemical Physics , 2013, 26(1): 8-12. doi: 10.1063/1674-0068/26/01/8-12

Efficient Coherent Population Transfer of D2 Molecules by Stark-induced Adiabatic Raman Passage

doi: 10.1063/1674-0068/26/01/8-12
  • Received Date: 2012-10-16
  • Preparation of a high flux of hydrogen molecules in a specific vibrationally excited state is the major prerequisite and challenge in scattering experiments that use vibrationally excited hydrogen molecules as the target. The widely used scheme of stimulated Raman pumping suffers from coherent population return which severely limits the excitation efficiency. Re-cently we successfully transferred D2 molecules in the molecular beam from (v=0, J=0) to (v=1, J=0) level, with the scheme of Stark-induced adiabatic Raman passage. As high as 75% of the excitation efficiency was achieved. This excitation technique promise to be a unique tool for crossed beam and beam-surface scattering experiments which aim to reveal the role of vibrational excitation of hydrogen molecules in the chemical reaction.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Efficient Coherent Population Transfer of D2 Molecules by Stark-induced Adiabatic Raman Passage

doi: 10.1063/1674-0068/26/01/8-12

Abstract: Preparation of a high flux of hydrogen molecules in a specific vibrationally excited state is the major prerequisite and challenge in scattering experiments that use vibrationally excited hydrogen molecules as the target. The widely used scheme of stimulated Raman pumping suffers from coherent population return which severely limits the excitation efficiency. Re-cently we successfully transferred D2 molecules in the molecular beam from (v=0, J=0) to (v=1, J=0) level, with the scheme of Stark-induced adiabatic Raman passage. As high as 75% of the excitation efficiency was achieved. This excitation technique promise to be a unique tool for crossed beam and beam-surface scattering experiments which aim to reveal the role of vibrational excitation of hydrogen molecules in the chemical reaction.

Tao Wang, Tian-gang Yang, Chun-lei Xiao, Dong-xu Dai, Xue-ming Yang. Efficient Coherent Population Transfer of D2 Molecules by Stark-induced Adiabatic Raman Passage[J]. Chinese Journal of Chemical Physics , 2013, 26(1): 8-12. doi: 10.1063/1674-0068/26/01/8-12
Citation: Tao Wang, Tian-gang Yang, Chun-lei Xiao, Dong-xu Dai, Xue-ming Yang. Efficient Coherent Population Transfer of D2 Molecules by Stark-induced Adiabatic Raman Passage[J]. Chinese Journal of Chemical Physics , 2013, 26(1): 8-12. doi: 10.1063/1674-0068/26/01/8-12

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