Olaf Schumann
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View article: HV effect on neutron coincidence counting
HV effect on neutron coincidence counting Open
Neutron detection is important in the field of Nuclear Safeguards, Homeland Security, and CBRN (Chemical, Biological, Radiological, and Nuclear) defense. In these areas, precise as well as efficient detection and analysis of neutron emissi…
View article: Non-destructive verification of materials in waste packages using QUANTOM<sup>®</sup>
Non-destructive verification of materials in waste packages using QUANTOM<sup>®</sup> Open
The nuclear and non-nuclear industry has produced a considerable amount of low and intermediate-level radioactive wastes during the last decades. The material characterization of waste packages recently became more and more important in or…
View article: Comparison of CLYC vs. CsI in a hand-held detector
Comparison of CLYC vs. CsI in a hand-held detector Open
The detection of radioactive and nuclear (RN) material is gaining importance due to the current political situation. Fast and reliable results from on-site measurements require devices to be transportable, quickly ready-for-use, and easily…
View article: Structural investigations on layered manganites and ruthenates
Structural investigations on layered manganites and ruthenates Open
Die vorliegende Dissertation befasst sich mit der Präparation und der Strukturuntersuchung in zwei verschiedenen Übergangsmetalloxidfamilien. Zum Einen werden einfach-geschichtete Manganate betrachtet mit einem besonderen Fokus auf der Unt…
View article: Qualification Test System for Radiation Detection Devices QuTeSt
Qualification Test System for Radiation Detection Devices QuTeSt Open
Measurement equipment for the detection and identification of radioactive and nuclear (RN) material has a wide application area. The main application aspects are monitoring, search, and identification. A common goal is to gain reliable mea…
View article: QUANTOM<sup>®</sup> − Optimization of the online neutron flux measurement system
QUANTOM<sup>®</sup> − Optimization of the online neutron flux measurement system Open
For the final disposal of radioactive waste, the waste packages have to meet the acceptance requirements defined by national licensing and supervisory authorities. Nondestructive methods are very much preferred over destructive methods for…
View article: QUANTOM − Non-destructive scanning of waste packages for material characterization
QUANTOM − Non-destructive scanning of waste packages for material characterization Open
For the final disposal of radioactive waste, the waste packages have to meet the acceptance requirements defined by national licensing and supervisory authorities. Non-destructive methods are very much preferred over destructive methods fo…
View article: Irradiation tests on optical fibers below 20 k
Irradiation tests on optical fibers below 20 k Open
Up to now no comparison of radiation test results on optical fibers at room temperature and below 150 K was done. However, in some applications much lower temperatures will define the environment, for example at cryogenic accelerator insta…
View article: Gamma irradiation test of Ge-doped single-mode optical fiber at cryogenic conditions
Gamma irradiation test of Ge-doped single-mode optical fiber at cryogenic conditions Open
Optical fibers are used routinely in harsh environments for signal transmission or sensing applications. Whereas the individual challenges originating from very high or very low temperatures, vacuum or ionizing radiation were extensively s…