Thesis (MSc (Physics))--University of Stellenbosch, 2005. / A tunable vacuum ultra-violet (VUV) laser source was recently developed for VUV
spectroscopy using state selective excitation and total fluorescence detection. The
VUV laser source makes use of a four-wave mixing process to provide tunable VUV
radiation for the electronic excitation of the molecules. The theory of four-wave
mixing, with the emphasis on parameters that are important for our experimental setup
to generate efficient tunable VUV radiation is discussed. The experimental setup,
and in particular the metal vapor heat-pipe, which provides Mg vapor as the nonlinear
medium, is described. New diagnostic equipment described in this work was
added to the experimental setup. This equipment was characterized and utilized
together with the existing setup. The additional diagnostic equipment introduced
enabled us to measure the tunable VUV output of the source (using a VUV
monochromator), making it possible to significantly improve the efficiency of the
existing tunable VUV laser source.
| Identifer | oai:union.ndltd.org:netd.ac.za/oai:union.ndltd.org:sun/oai:scholar.sun.ac.za:10019.1/2244 |
| Date | 03 1900 |
| Creators | Huang, Ping |
| Contributors | Von Bergmann, H. M., Arendse, G. J., University of Stellenbosch. Faculty of Science. Dept. of Physics. |
| Publisher | Stellenbosch : University of Stellenbosch |
| Source Sets | South African National ETD Portal |
| Language | en_ZA |
| Detected Language | English |
| Type | Thesis |
| Format | 2310518 bytes, application/pdf |
| Rights | University of Stellenbosch |
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