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Absorption of formaldehyde (H2CO) in the (A)over-tilde(1)A(2)

Författare

Summary, in English

The electronic A(1)A(2) <-- X(1)A(1) absorption spectra of formaldehyde vapour were studied at temperatures varying from 423 to 770 K with variable pressures from less than 0.1 to 1 MPa. Broadband vibronic and partially rotationally resolved 4(n)(1) rovibronic spectra of formaldehyde showed considerable sensitivity to temperature. The high resolution spectra showed collision-induced broadening as the pressure was increased. The results show that the absorption efficiency of the laser radiation front the third harmonic of Nd:YAG lasers is sensitive to the spectral properties of the laser, such as line position and shape. Promising results were obtained from the comparison between theoretical and measured absorption spectra.

Publiceringsår

2004

Språk

Engelska

Sidor

821-828

Publikation/Tidskrift/Serie

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Volym

60

Issue

4

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Atom and Molecular Physics and Optics

Nyckelord

  • fluorescence
  • laser-induced
  • temperature
  • pressure
  • formaldehyde
  • absorption

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1386-1425