Vibrational energy dynamics of water studied with ultrafast Stokes and anti-Stokes Raman spectroscopy

Zhaohui Wang, Yoonsoo Pang, Dana D. Dlott

Research output: Contribution to journalArticlepeer-review

Abstract

The transient Stokes Raman spectroscopy method is introduced to study the dynamics of OH-stretching vibrations in water excited by ultrashort infrared pulses. The combination of Stokes and anti-Stokes Raman probing allows the the absorption and emission contributions to be measured separately. Experiments with 3400 cm -1 pumping of OH-stretching of HOD solute in D 2O solvent are reported. The Stokes Raman method is used to study the delay between the excited-state decay and the ground-state recovery, the vibrational Stokes shift, and the generation of weakened hydrogen bonding due to heat released by vibrational relaxation.

Original languageEnglish (US)
Pages (from-to)40-45
Number of pages6
JournalChemical Physics Letters
Volume397
Issue number1-3
DOIs
StatePublished - Oct 11 2004

ASJC Scopus subject areas

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

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