Fundamentals of Radiation Dosimetry 2
- Garant předmětu:
- Department of Dosimetry and Application of Ionizing Radiation
Principles and methods of measurements in dosimetry. Measurements of activity (Poisson distribution, dead-time, coincidence method, 2PI a 4PI counters, internal gas counters, liquid scintillation detectors), neutron source emission, dose measurements (Bragg-Gray principle, and high and low dose integral methods in dosimetry), exposure measurements (normal ionization chamber, cavity chamber).
- Syllabus of lectures:
1.Principles and methods of measurements in dosimetry. Measurements of activity (Poisson's distribution, dead time, measurements with one detector, coincidence methods, 2PI and 4PI counters, internal gas counters, liquid scintillation detectors). Emission measurements of neutron sources.
2.Dose measuring. Summary of cavity chamber theory. Bragg-Gray cavity theory, its results and deficiencies.
3.Application of cavity theory to dose measurements with ionization chamber. Description and performance of ionization chambers. Application of Bragg-Gray cavity theory
4.Overview of integral methods for low dose determination. Demands posed on low dose measurements. Film dosimeters, principle of creation of photographic record, properties of film dosimeters.
5.Film dosimeters - effects of ionizing radiation on film dosimeters, energy dependence and its elimination; errors, advantages and disadvantages of film dosimeters.
6.Nuclear emulsion - properties of nuclear emulsion, performance and application of dosimeters using nuclear emulsion.
7.Thermoluminescence and radiophotoluminescence - principle of thermoluminescence, its application in dosimetry, instrumentation, thermoluminescence materials; principle of radiophotoluminescence and its application in dosimetry.
8.Track detectors - creation mechanism and etching of tracks, detectors and etching agents, evaluation and application of track detectors.
9.Measurements of high doses. Properties of chemical dosimeters. Fricke and Hart dosimeters.
10.Dosimeters using colorization effect - principle and available materials. Activation detectors - principle and available materials.
11.Others integral methods in dosimetry. Exoelectron emission, lyoluminescence, silicon diode
12.Exposure measurement -normal ionization chamber and cavity chamber
13.Summary of detection and dosimetry of ionizing radiation.
- Syllabus of tutorials:
1.Interactions of charged particles
3.Range of particles
6.Dose - charged particles
7.Dose - photons
8.Equivalent and effective dose
11.Calibration of dosimeters
- Study Objective:
Knowledge of quantities and units in radiological physics and dosimetry.
Application of quantities and units in radiological physics and dosimetry.
- Study materials:
 Dosimetry of Ionizing Radiation (Integal methods), L. Musílek, J. Šeda, J.Trousil, CVUT publication, 1992 (in Czech)
 Handbook of Dosimetry and Radiation Protection, J. Sabol, CVUT publication, 1996 (in Czech)
 Fundamentals of Dosimetry, J. Sabol, CVUT publication, 1992 (in Czech)
 Dosimetry of Ionizing Radiation, J. Šeda, SNTL Praha, 1983 (in Czech)
- Further information:
- No time-table has been prepared for this course
- The course is a part of the following study plans: