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Time-Resolved Studies of Atoms and Ions in the Short-Wavelength Region

Zerne, Raoul (1996)
Abstract
Radiative lifetimes have been studied in neutral copper, gold, magnesium, zinc, tellurium, sulphur, selenium, bismuth and helium and in singly ionised platinum and palladium. The radiative lifetimes were determined by time-resolved spectroscopy following single, two-photon or stepwise laser excitation. The excitations required short wavelengths, obtained by frequency mixing of radiation from pulsed lasers in crystals and gases. Efficient mixing schemes in gases, such as resonant sum-difference mixing in krypton, stimulated Raman scattering in hydrogen and high-order harmonic generation in rare gases have been employed. Several techniques have been utilised for the production of free atoms and ions such as evaporation into an atomic beam,... (More)
Radiative lifetimes have been studied in neutral copper, gold, magnesium, zinc, tellurium, sulphur, selenium, bismuth and helium and in singly ionised platinum and palladium. The radiative lifetimes were determined by time-resolved spectroscopy following single, two-photon or stepwise laser excitation. The excitations required short wavelengths, obtained by frequency mixing of radiation from pulsed lasers in crystals and gases. Efficient mixing schemes in gases, such as resonant sum-difference mixing in krypton, stimulated Raman scattering in hydrogen and high-order harmonic generation in rare gases have been employed. Several techniques have been utilised for the production of free atoms and ions such as evaporation into an atomic beam, thermal dissociation in cells and laser-produced plasmas. The Landé factors of one state in selenium and several in ytterbium have been measured by utilising optical double-resonance and quantum-beat spectroscopy. The ionisation potential in CO has been determined by multiphoton ionisation mass spectroscopy. Molecular ionisation structure in NO has been studied by tuning the wavelength of the seventh harmonic. Control of the angular emission of high-order harmonics by manipulating the laser beam ellipticity was demonstrated. (Less)
Please use this url to cite or link to this publication:
author
opponent
  • Prof Hogervorst, Wim, Vrije Universiteit, Faculty of Physics and astronomy, De Boelelaan 1081, 1081 HV Amsterdam, The Netherlands
publishing date
type
Thesis
publication status
published
subject
keywords
tellurium, sulphur, gold, magnesium, bismuth, platinum, selenium, helium, Atomic and molecular physics, palladium., Atom- och molekylärfysik, frequency mixing, VUV spectroscopy, radiative lifetimes, copper, zinc, Fysicumarkivet A:1996:Zerne
pages
56 pages
publisher
Atomic Physics, Department of Physics, Lund University
defense location
Hörsal B, Fysicum, Lund
defense date
1996-05-31 14:15
external identifiers
  • Other:ISRN: LUTFD2/(TFAF-1030)/1-56/(1996)
ISBN
91-628-2053-2
language
English
LU publication?
no
id
6858dbd7-ec16-48fa-a7e7-26092b6a22e1 (old id 28573)
date added to LUP
2007-06-12 15:43:19
date last changed
2016-09-19 08:45:10
@phdthesis{6858dbd7-ec16-48fa-a7e7-26092b6a22e1,
  abstract     = {Radiative lifetimes have been studied in neutral copper, gold, magnesium, zinc, tellurium, sulphur, selenium, bismuth and helium and in singly ionised platinum and palladium. The radiative lifetimes were determined by time-resolved spectroscopy following single, two-photon or stepwise laser excitation. The excitations required short wavelengths, obtained by frequency mixing of radiation from pulsed lasers in crystals and gases. Efficient mixing schemes in gases, such as resonant sum-difference mixing in krypton, stimulated Raman scattering in hydrogen and high-order harmonic generation in rare gases have been employed. Several techniques have been utilised for the production of free atoms and ions such as evaporation into an atomic beam, thermal dissociation in cells and laser-produced plasmas. The Landé factors of one state in selenium and several in ytterbium have been measured by utilising optical double-resonance and quantum-beat spectroscopy. The ionisation potential in CO has been determined by multiphoton ionisation mass spectroscopy. Molecular ionisation structure in NO has been studied by tuning the wavelength of the seventh harmonic. Control of the angular emission of high-order harmonics by manipulating the laser beam ellipticity was demonstrated.},
  author       = {Zerne, Raoul},
  isbn         = {91-628-2053-2},
  keyword      = {tellurium,sulphur,gold,magnesium,bismuth,platinum,selenium,helium,Atomic and molecular physics,palladium.,Atom- och molekylärfysik,frequency mixing,VUV spectroscopy,radiative lifetimes,copper,zinc,Fysicumarkivet A:1996:Zerne},
  language     = {eng},
  pages        = {56},
  publisher    = {Atomic Physics, Department of Physics, Lund University},
  title        = {Time-Resolved Studies of Atoms and Ions in the Short-Wavelength Region},
  year         = {1996},
}