Abstract
The intention of this chapter is to provide a sufficient theoretical science base for the reader to follow the content of this thesis. It starts with an introduction to properties of the excited states in diatomic molecules and to the Raman effect. The focus will then be directed onto Raman intensities and the special features of Raman spectroscopy when all hydrogen isotopologues are included. Subsequently, a summary is given of the research and development (R&D) activities and milestones related to Raman spectroscopy of tritium containing gas samples by external groups and groups at the Tritium Laboratory Karlsruhe (TLK). Finally, the important issue of calibration is discussed and various possible realizations are presented. The chapter concludes with the calibration strategy adapted for the Laser Raman system of KATRIN.
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Notes
- 1.
In this semi-classical approach only vibration around the equilibrium is considered.
- 2.
Note that these function play an important role in Chap. 5.
- 3.
At this time it was named as national research center KfK (Kernforschungszentrum Karlsruhe).
- 4.
Relative Raman signal amplitudes are in general not prone to fluctuation in the irradiance of the excitation beam.
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Schlösser, M. (2014). Theory of Quantitative Raman Spectroscopy. In: Accurate Calibration of Raman Systems. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-319-06221-1_3
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