Automatische Reduktion von großen Röntgenfluoreszenzdatenmengen, auf Röntgenabsorptions- und Rasterfluoreszenspektroskopie angewandt / Ligia Andrea Martín Montoya ; [1. Reviewer: Prof. Dr. Jörg Lindner, 2. Reviewer: Prof. Dr. Gerald Henkel, 3. Reviewer: Prof. Dr. Matthias Bauer]. Paderborn, 2017 ;
Inhalt
- List of Figures
- List of Tables
- Acronyms
- 1 Introduction
- 2 Absorption and emission of light
- 3 BioXAS at P64
- 4 Features of the spectra
- 4.1 Coherent and incoherent scattering
- 4.2 Incomplete charge collection
- 4.3 Escape peaks
- 4.4 Pile-up
- 5 Data reduction for BioXAS experiments at P64
- 5.1 Data reduction per incident energy
- 5.2 Integral of the fluorescence line of interest
- 5.3 XAS of ultra dilute samples at P64
- 5.4 Data reduction at higher energies
- 5.5 De-noised data compression
- 6 X-ray fluorescence mapping experiments on palimpsests
- 6.1 Experimental setup
- 6.2 Automatic method of text separation
- 6.2.1 Data representation
- 6.2.2 Decomposed images
- 6.2.3 Principal Component Analysis
- 6.2.4 Optimization problem
- 6.3 Results on original palimpsests
- 6.4 Results on self-made palimpsests
- 6.5 Measurements with the 100PixHPGe
- 7 Conclusions and Outlook
- 8 Appendix
- Bibliography