Photodissociation dynamics of H2S at 266 nm via the degenerate four-wave mixing spectroscopy

Dong Chan Kim, Jae Won Hahn, Eun Seong Lee, Kyung Hoon Jung

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16 Citations (Scopus)


Photodissociation dynamics of H2S has been studied using the degenerate four-wave mixing (DFWM) technique at 266 nm and room temperature. The DFWM spectra of SH A 2Σ-Χ2Πi (0,0) transitions have been observed and the nascent rotational distributions, spin-orbit state ratio, and A-doublet population ratio of the SH fragments have been extracted. The rotational distributions are cold and characterized by a Boltzmann temperature of 348 ± 20 K?? for the SH(2Π3/2) state. The A-doublet population ratio has been found to be close to unity. The SH(2Π3/2)/SH(2Π1/2) ratio has been observed to be 3.50 ± 0.18.

Original languageEnglish
Pages (from-to)573-578
Number of pages6
JournalChemical Physics Letters
Issue number6
Publication statusPublished - 1997 Feb 14

Bibliographical note

Funding Information:
This work was supported by the Korea Research Institute of Standards and Science, the Korean Ministry of Science and Technology and the maintenance of the equipment by the Capital Equipment Grant-1995, the Korea Science & Engineering Foundation, which are gratefully acknowledged.

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry


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