A diode intensifier tube designed for scintillation detection
Conference
·
· IEEE Trans. Nucl. Sci.; (United States)
OSTI ID:7100233
An input and output faceplates diode intensifier tube having a large ratio (.8) ''useful-external diameters'' has been designed with a view to reach very good performance in scintillation detection. The photoelectrons emitted by the bialkali photocathode are accelerated up to about 10 kV and collected on a fast blue phosphor screen. The design is described and the main technological problems which have to be solved are reported, in particular the one allowing to overcome wall charge effects. The experimental results on image distortions, electron and photon gains, single electron resolution, dark noise, as well as on the phosphor screen characteristics are given. An assembly of this tube working as a high photon gain (=30 at 10 kV) light pre-amplifier, optically coupled to a fast photomultiplier could allow to obtain significant improvements of the FWHM energy resolution in scintillation detection by using a rather large NaI(T1) scintillator block (e.g. 9.4 % at 122 KeV instead of 10.5 % obtained with the fast PMT used alone).
- Research Organization:
- Laboratoires d'Electronique et de Physique appliquee 3, Avenue Descartes, 94450 Limei-Brevannes
- OSTI ID:
- 7100233
- Report Number(s):
- CONF-831015-
- Conference Information:
- Journal Name: IEEE Trans. Nucl. Sci.; (United States) Journal Volume: 31:1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
440101* -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
AMPLIFICATION
AMPLIFIERS
CATHODES
COUNTING TECHNIQUES
DESIGN
ELECTRODES
ELECTRONIC EQUIPMENT
EMISSION
ENERGY RESOLUTION
EQUIPMENT
GAIN
IMAGE INTENSIFIERS
ISOTOPES
MEASURING INSTRUMENTS
NAI DETECTORS
OPTIMIZATION
PERFORMANCE
PHOSPHORS
PHOSPHORUS ISOTOPES
PHOTOCATHODES
PHOTODIODES
PHOTOELECTRON COUNTING
PHOTOEMISSION
PHOTOMULTIPLIERS
PHOTOTUBES
PREAMPLIFIERS
RADIATION DETECTORS
RESOLUTION
SCINTILLATION COUNTERS
SCINTILLATION COUNTING
SCINTILLATOR-PHOTODIODE DETECTORS
SECONDARY EMISSION
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES
SIGNAL DISTORTION
SOLID SCINTILLATION DETECTORS
WALL EFFECTS
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
AMPLIFICATION
AMPLIFIERS
CATHODES
COUNTING TECHNIQUES
DESIGN
ELECTRODES
ELECTRONIC EQUIPMENT
EMISSION
ENERGY RESOLUTION
EQUIPMENT
GAIN
IMAGE INTENSIFIERS
ISOTOPES
MEASURING INSTRUMENTS
NAI DETECTORS
OPTIMIZATION
PERFORMANCE
PHOSPHORS
PHOSPHORUS ISOTOPES
PHOTOCATHODES
PHOTODIODES
PHOTOELECTRON COUNTING
PHOTOEMISSION
PHOTOMULTIPLIERS
PHOTOTUBES
PREAMPLIFIERS
RADIATION DETECTORS
RESOLUTION
SCINTILLATION COUNTERS
SCINTILLATION COUNTING
SCINTILLATOR-PHOTODIODE DETECTORS
SECONDARY EMISSION
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES
SIGNAL DISTORTION
SOLID SCINTILLATION DETECTORS
WALL EFFECTS