Acta Phys. -Chim. Sin. ›› 2008, Vol. 24 ›› Issue (06): 961-964.doi: 10.3866/PKU.WHXB20080607

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Laser Induced Fluorescence Excitation Spectrumof Jet-Cooled 12C16O+ (A2∏1/2,3/2←X2∑+)

SHI Yong; ZHOU Xiao-Guo; WANG Xin-Lei; HU Ya-Hua; MA Xing-Xiao; LIU Shi-Lin   

  1. Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, P. R. China
  • Received:2008-02-04 Revised:2008-03-10 Published:2008-06-03
  • Contact: LIU Shi-Lin E-mail:slliu@ustc.edu.cn

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Abstract: The laser induced fluorescence (LIF) excitation spectrumof molecular ions in cooperating with resonance-enhanced multi-photon ionization (REMPI) process was demonstrated with CO+ ions. The CO+ ions at the ground X2∑+ state were prepared by (2+1) REMPI of supersonically cooled COmolecules at 230.1 nm, and the rovibronically resolved LIF spectra of CO+(A2∏1/2,3/2←X2∑+) were measured by scanning another laser in the range of 487-493 nm and 453-459 nm, which belong to (0,0) and (1,0) bands, respectively.

Key words: CO+ ion, Laser-induced fluorescence, Jet-cooled