Vibrational relaxation and spectral evolution following ultrafast OH stretch excitation of water

Andrei Pakoulev; Zhaohui Wang; Dana D. Dlott

doi:10.1016/S0009-2614(03)00314-2

Vibrational relaxation and spectral evolution following ultrafast OH stretch excitation of water

Andrei Pakoulev, Zhaohui Wang, Dana D. Dlott

Research output: Contribution to journal › Article › peer-review

Abstract

Ultrafast anti-Stokes Raman measurements of OH stretching excitations (3000-3600 cm^-1) in water show an ∼ 0.4 ps spectral evolution from the red to the blue that is similar to what is seen in the Raman spectrum of water heated to 90 °C. The lifetime of OH stretching excitations T₁ = 0.7 ps. A small portion of the spectrum on the blue edge of the band decays more slowly with T₁ = 1.1 ps. A previous measurement of T₁ ≈ 0.3 ps for water [J. Chem. Phys. 117 (2002) 1708] is reinterpreted shown to consistent with the present work.

Original language	English (US)
Pages (from-to)	594-600
Number of pages	7
Journal	Chemical Physics Letters
Volume	371
Issue number	5-6
DOIs	https://doi.org/10.1016/S0009-2614(03)00314-2
State	Published - Apr 14 2003

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1016/S0009-2614(03)00314-2

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title = "Vibrational relaxation and spectral evolution following ultrafast OH stretch excitation of water",

abstract = "Ultrafast anti-Stokes Raman measurements of OH stretching excitations (3000-3600 cm-1) in water show an ∼ 0.4 ps spectral evolution from the red to the blue that is similar to what is seen in the Raman spectrum of water heated to 90 °C. The lifetime of OH stretching excitations T1 = 0.7 ps. A small portion of the spectrum on the blue edge of the band decays more slowly with T1 = 1.1 ps. A previous measurement of T1 ≈ 0.3 ps for water [J. Chem. Phys. 117 (2002) 1708] is reinterpreted shown to consistent with the present work.",

author = "Andrei Pakoulev and Zhaohui Wang and Dlott, {Dana D.}",

note = "Funding Information: This material is based on work supported by the National Science Foundation under Award Number DMR-0096466, by Army Research Office Contract DAAD19-00-1-0036, and by Air Force Office of Scientific Research Contract F49620-00-1-0049 and F49620-03-1-0032.",

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doi = "10.1016/S0009-2614(03)00314-2",

language = "English (US)",

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T1 - Vibrational relaxation and spectral evolution following ultrafast OH stretch excitation of water

AU - Pakoulev, Andrei

AU - Wang, Zhaohui

AU - Dlott, Dana D.

N1 - Funding Information: This material is based on work supported by the National Science Foundation under Award Number DMR-0096466, by Army Research Office Contract DAAD19-00-1-0036, and by Air Force Office of Scientific Research Contract F49620-00-1-0049 and F49620-03-1-0032.

PY - 2003/4/14

Y1 - 2003/4/14

N2 - Ultrafast anti-Stokes Raman measurements of OH stretching excitations (3000-3600 cm-1) in water show an ∼ 0.4 ps spectral evolution from the red to the blue that is similar to what is seen in the Raman spectrum of water heated to 90 °C. The lifetime of OH stretching excitations T1 = 0.7 ps. A small portion of the spectrum on the blue edge of the band decays more slowly with T1 = 1.1 ps. A previous measurement of T1 ≈ 0.3 ps for water [J. Chem. Phys. 117 (2002) 1708] is reinterpreted shown to consistent with the present work.

AB - Ultrafast anti-Stokes Raman measurements of OH stretching excitations (3000-3600 cm-1) in water show an ∼ 0.4 ps spectral evolution from the red to the blue that is similar to what is seen in the Raman spectrum of water heated to 90 °C. The lifetime of OH stretching excitations T1 = 0.7 ps. A small portion of the spectrum on the blue edge of the band decays more slowly with T1 = 1.1 ps. A previous measurement of T1 ≈ 0.3 ps for water [J. Chem. Phys. 117 (2002) 1708] is reinterpreted shown to consistent with the present work.

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Vibrational relaxation and spectral evolution following ultrafast OH stretch excitation of water

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