Excited-State Energetics and Dynamics of Large Molecules, Complexes and Clusters.

Abstract

Vacuum Ultraviolet Absorption Spectroscopy in Supersonic Expansions. We have combined the techniques of vacuum ultraviolet ((VUV) spectroscopy together with planar supersonic jets, which allows for the interrogation of absorption spectra of large molecule cooled in supersonic expansions in the near VUV region. The experimental setup consists of a high pressure Xenon lamp, calcium fluoride optics, a vacuum ultraviolet spectrograph and a nozzle slit (0.27x90 mm, repetition rate 9 Hz and gas pulse duration 300 Microsec). The characteristics of this spectroscopic setup are: (i) Energy range 6-20 eV. (ii) Spectral resolution 0.1 angstrum. (iii) Routine measurements of high-energy absorption spectra. (iv) Interrogation of fluorescence excitation spectra of the parent molecule or its photoproducts.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1985
Accession Number
ADA192755

Entities

People

  • Joshua Jortner
  • Uzi Even

Organizations

  • Tel Aviv University

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Absorption
  • Absorption Spectra
  • Chemistry
  • Dynamics
  • Energy
  • Energy Gaps
  • Excitation
  • High Energy
  • High Pressure
  • Interrogation
  • Measurement
  • Molecules
  • Quantum Yields
  • Repetition Rate
  • Spectra
  • Spectroscopy

Fields of Study

  • Physics

Readers

  • Molecular Photonics/Laser Physics
  • Optical Physics and Photonics.
  • Spectroscopy.

Technology Areas

  • Hypersonics
  • Hypersonics - Hypersonic Flight
  • Hypersonics - Hypersonic Flow