By Magnus Schlösser
This thesis experiences significant contributions to constructing and imposing new laser-spectroscopic precision instruments to continually video display the isotope content material of the windowless gaseous tritium resource of KATRIN. the tactic of selection, Raman spectroscopy, is excellent for in-situ tracking of all six hydrogen isotopologues. In a chain of gorgeous experiments the writer acquired self reliant novel calibration equipment, first in keeping with a comparability of experimental Raman depolarization ratios with corresponding quantum-chemical calculations, and moment on a fuel sampling method. either equipment yield constant cross-calibration effects and, in addition to yielding advancements in precision, can be of significant significance in lowering systematic results in long term neutrino mass measurements. The tools constructed during this thesis even have nice power to additional expand the functions of Raman spectroscopy to review prolonged assets equivalent to in atmospheric physics.
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