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The absorption spectrum of the (1, 0), (3, 1) and (4, 2) bands in the c3Σg+-a3Σu+ system of He2 eximer

  • Chuanliang Li
  • , Lunhua Deng
  • , Junli Zhang
  • , Xiaohua Yang
  • , Yangqin Chen*
  • , Longsheng Ma
  • *Corresponding author for this work
  • East China Normal University

Research output: Contribution to journalArticlepeer-review

Abstract

The near-infrared absorption spectrum of He2 has been recorded in the range of 12 090-13 300 cm-1 using the optical heterodyne concentration modulation spectroscopy. Fifty-nine He2 spectral lines were assigned to the (1, 0), (2, 0), (3, 1) and (4, 2) bands in the c3Σg+-a3Σu+ system and a non-linear least-squares fitting was performed to get the improved molecular constants for the levels (υ = 1, 3 and 4) in the upper electronic state.

Original languageEnglish
Pages (from-to)85-87
Number of pages3
JournalJournal of Molecular Spectroscopy
Volume260
Issue number2
DOIs
StatePublished - Apr 2010
Externally publishedYes

Keywords

  • Concentration modulation spectroscopy
  • He
  • Molecular constants

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