Photon detector system
Patent
·
OSTI ID:5506454
A photon detector includes a semiconductor device, such as a Schottky barrier diode, which has an avalanche breakdown characteristic. The diode is cooled to cryogenic temperatures to eliminate thermally generated charge carriers from the device. The diode is then biased to a voltage level exceeding the avalanche breakdown threshold level such that, upon receipt of a photon, avalanche breakdown occurs. This breakdown is detected by appropriate circuitry which thereafter reduces the diode bias potential to a level below the avalanche breakdown threshold level to terminate the avalanche condition. Subsequently, the bias potential is reapplied to the diode in preparation for detection of a subsequently received photon.
- Assignee:
- Battelle Development Corp
- Patent Number(s):
- US 4303861
- OSTI ID:
- 5506454
- 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
AVALANCHE QUENCHING
CRYOGENICS
DESIGN
DETECTION
ELECTRONIC CIRCUITS
GAMMA DETECTION
MEASURING INSTRUMENTS
RADIATION DETECTION
RADIATION DETECTORS
SCHOTTKY BARRIER DIODES
SEMICONDUCTOR DETECTORS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
AVALANCHE QUENCHING
CRYOGENICS
DESIGN
DETECTION
ELECTRONIC CIRCUITS
GAMMA DETECTION
MEASURING INSTRUMENTS
RADIATION DETECTION
RADIATION DETECTORS
SCHOTTKY BARRIER DIODES
SEMICONDUCTOR DETECTORS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES