Schlosser, Dieter Michael: Response of high resolution silicon photodetectors coupled to CsI(Tl) or LaBr3(Ce)Antwort von hochauflösenden Silizium Photodetektoren gekoppelt an CsI(Tl) oder LaBr3(Ce). 2014
Inhalt
- Zusammenfassung
- Abstract
- Contents
- Glossary
- 1. Introduction
- 2. Physical background of solidstate radiation detectors
- 2.1. Interaction of photons with matter
- 2.2. Light generation in scintillators: CsI(Tl) and LaBr3(Ce)
- 3. Principles of hard X- and γ-raydetection with Silicon Drift Detectors (SDDs)
- 3.1. Direct detection of X-rays with a Silicon Drift Detector
- 3.2. Indirect detection of X- and γ-rays with a SDD coupled to a scintillator
- 4. The relevant contributions to the energy resolution
- 4.1. Derivation of the formula for the relative energy resolution
- 4.2. Scintillator non-proportional light yield
- 4.3. Light and charge collection in the system SDD + scintillator
- 5. The quantum efficiency of Silicon Drift Detectors
- 5.1. Entrance window
- 5.2. Derivation of the formula for the quantum efficiency
- 5.3. Setup for photocurrent measurements
- 5.4. Quantum efficiency in the X-ray range
- 5.5. Quantum efficiency in the near ultra violetand visible range
- 6. Detector response of a single SDD + CsI(Tl) or LaBr3 (Ce)
- 6.1. Results from spectroscopic measurements in the range 6 to 662 keV
- 6.2. Results from calculations and simulations
- 7. Spectrosco py and imaging with SDD array/pnCCD + CsI(Tl)detectors
- 7.1. Principles of the Anger γ-camera
- 7.2. 77 cells SDD array + CsI(Tl) γ-camera
- 7.3. pnCCD + CsI(Tl) camera for X- and γ-rays
- 8. Summary and Conclusions
- A. Physical background of solid state radiation detectors
- B. Statistical background
- B.1. Determination of the mean value and variance from generating functions
- B.2. Derivation of the formula for the relative energy resolution
- C. Transmission and reflection of optical photons through thin films
- D. Effect of the charge collection and quantum efficiency on the spectral response
- E. Contribution of collimators to the spatial resolution
- Bibliography