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Fly's eye: a counting camera for thermal neutrons-some applications, problems, and prospects
Brookhaven Symposia in Biology
|May 1, 1976
Summary
This study introduces a thermal neutron area detector using image intensification. It offers high spatial resolution and fast counting rates but has limitations in maximum count rate and response uniformity.
Area of Science:
- Nuclear instrumentation
- Neutron detection technology
Background:
- Development of advanced detectors for thermal neutron imaging is crucial for various scientific applications.
- Image intensification techniques offer potential for high-performance neutron detection systems.
Purpose of the Study:
- To describe an area detector for thermal neutrons utilizing image intensification.
- To discuss the capabilities and limitations of this novel neutron detection system.
Main Methods:
- Utilized image intensification techniques for thermal neutron detection.
- Evaluated detector performance including spatial resolution, counting rate, electronic zoom, time-gating, and integration capabilities.
Main Results:
- The detector demonstrates high spatial resolution, high instantaneous counting rate, electronic zoom, time-gating, and integration.
- Limitations include a maximum counting rate of 60 counts per second per resolution element and non-uniform response requiring calibration.
- Enhanced neutron detection efficiency is a desired future improvement.
Conclusions:
- The described thermal neutron area detector offers significant capabilities for applications like crystal inspection and neutron diffraction topography.
- Future enhancements may involve solid-state television sensors and microchannel-plate intensifiers to overcome current limitations and improve performance.
