Recent advances in large area avalanche photodiodes
Conference
·
· IEEE Trans. Nucl. Sci.; (United States)
OSTI ID:5035182
We have demonstrated the potential of large area avalanche photodiodes to complement photomultiplier tubes and conventional photodiodes in numerous applications. In particular, they are compatible with BGO scintillator crystals in important applications such as positron emission tomography and high energy physics research. The photodiodes described here have overcome the limitations in size and sensitivity which had previously prevented the use of avalanche devices in these applications. As scintillation sensors in radiation detectors, one inch diameter avalanche photodiodes have been used to obtain Cs-137, 662 keV spectra with 8.5% FWHM resolution coupled to NaI at room temperature and 24% FWHM coupled to BGO at 0/sup 0/C. As low energy x-ray sensors, small devices have a 10% FWHM for 5.9 keV Mn, k x-rays. The devices are also extremely sensitive to beta particles. These attributes make them useful for detecting ionizing radiation in a wide variety of applications.
- Research Organization:
- Radiation Monitoring Devices Inc. Watertown, MA
- OSTI ID:
- 5035182
- Report Number(s):
- CONF-841003-
- Conference Information:
- Journal Name: IEEE Trans. Nucl. Sci.; (United States) Journal Volume: NS-32:1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
440103* -- Radiation Instrumentation-- Nuclear Spectroscopic Instrumentation
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
BETA DETECTION
BGO DETECTORS
BISMUTH COMPOUNDS
BISMUTH GERMANATES
CHARGED PARTICLE DETECTION
COMPUTERIZED TOMOGRAPHY
DETECTION
DIAGNOSTIC TECHNIQUES
EMISSION COMPUTED TOMOGRAPHY
ENERGY RESOLUTION
GERMANATES
GERMANIUM COMPOUNDS
MEASURING INSTRUMENTS
NAI DETECTORS
OXYGEN COMPOUNDS
PHOTODIODES
PHOTOMULTIPLIERS
PHOTOTUBES
POSITRON COMPUTED TOMOGRAPHY
RADIATION DETECTION
RADIATION DETECTORS
RESOLUTION
SCINTILLATION COUNTERS
SCINTILLATOR-PHOTODIODE DETECTORS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES
SOLID SCINTILLATION DETECTORS
SURFACE AREA
SURFACE PROPERTIES
TOMOGRAPHY
USES
X-RAY DETECTION
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
BETA DETECTION
BGO DETECTORS
BISMUTH COMPOUNDS
BISMUTH GERMANATES
CHARGED PARTICLE DETECTION
COMPUTERIZED TOMOGRAPHY
DETECTION
DIAGNOSTIC TECHNIQUES
EMISSION COMPUTED TOMOGRAPHY
ENERGY RESOLUTION
GERMANATES
GERMANIUM COMPOUNDS
MEASURING INSTRUMENTS
NAI DETECTORS
OXYGEN COMPOUNDS
PHOTODIODES
PHOTOMULTIPLIERS
PHOTOTUBES
POSITRON COMPUTED TOMOGRAPHY
RADIATION DETECTION
RADIATION DETECTORS
RESOLUTION
SCINTILLATION COUNTERS
SCINTILLATOR-PHOTODIODE DETECTORS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES
SOLID SCINTILLATION DETECTORS
SURFACE AREA
SURFACE PROPERTIES
TOMOGRAPHY
USES
X-RAY DETECTION