By Magnus Schlösser
This thesis studies significant contributions to constructing and imposing new laser-spectroscopic precision instruments to consistently display screen the isotope content material of the windowless gaseous tritium resource of KATRIN. the tactic of selection, Raman spectroscopy, is superb for in-situ tracking of all six hydrogen isotopologues. In a chain of lovely experiments the writer got self sustaining novel calibration equipment, first in response to a comparability of experimental Raman depolarization ratios with corresponding quantum-chemical calculations, and moment on a gasoline sampling strategy. either tools yield constant cross-calibration effects and, in addition to yielding advancements in precision, might be of significant significance in lowering systematic results in long term neutrino mass measurements. The equipment built during this thesis even have nice strength to additional develop the purposes of Raman spectroscopy to review prolonged assets resembling in atmospheric physics.
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Accurate Calibration of Raman Systems: At the Karlsruhe Tritium Neutrino Experiment (Springer Theses) by Magnus Schlösser