Sökning: "VUV"
Visar resultat 1 - 5 av 16 avhandlingar innehållade ordet VUV.
1. Constructing and Commissioning HELIOS – A High Harmonic Generation Source for Pump-Probe Measurements with sub 50 fs Temporal Resolution : The Development of Experimental Equipment for Extreme Ultraviolet Spectroscopy
Sammanfattning : This thesis presents HELIOS, an in-house laboratory for time-resolved pump-probe spectroscopy with extreme-ultraviolet (XUV) probe radiation. A wide span of pump wavelengths can be generated using commercial laser equipment while XUV probe radiation is generated via a high harmonic generation process in a noble gas delivering probe photons with energies between 20 eV and 72 eV. LÄS MER
2. VUV Emission and Energy Transfer Phenomena in Rare Gas Mixture Discharges
Sammanfattning : VUV emission spectra of Xe-X (X = He, Ne, Ar and Kr) and of Kr-Y (Y = He, Ne and Ar) mixtures with low concentrations of the heavier gases (0.1 - 1 %) and moderate total pressures (50 - 200 hPa) are recorded near each of the two resonance lines of Xe and Kr in DC glow capillary discharges. LÄS MER
3. Ion-beam and VUV laser-spectroscopy
Sammanfattning : .... LÄS MER
4. High resolution valence electron spectroscopy : development of a VUV-polarizer for angular distributions
Sammanfattning : .... LÄS MER
5. Importance of radial profiles in spectroscopic diagnostics applied to the EXTRAP-T2R reversed-field pinch
Sammanfattning : The determination of the plasma confinement propertiesdemand data as the electron temperature, the ionic and electrondensity profiles and the radiative emissivity profiles. Thefocus of this thesis is the importance of radial profiles inspectroscopic diagnostics applied to the EXTRAP-T2Rreversed-field pinch. LÄS MER