Title :
Large area avalanche photodiodes in X-rays and light detection
Author :
Moszynski, M. ; Szawlowski, M. ; Kapusta, M. ; Balcerzyk, M. ; Wolski, D.
Author_Institution :
Soltan Inst. for Nucl. Studies, Warsaw, Poland
Abstract :
The relative response to X-rays and light, linearity for X-rays, and the energy resolution for both X-rays and light signal from a light emitting diode (LED) light pulser were measured for 5 mm, 10 mm and 16 mm diameter large area avalanche photodiodes (LAAPDs). It has been shown that the ratio of the LAAPD gain for 5.9 keV and 16.6 keV X-rays and the gain for a light pulse from the LED light pulser was constant (within 1-2%) up to a device (optical) gain of 100. That allows using the X-ray peaks as a good reference for measuring the e-h pair number of detected light pulses, particularly from scintillators
Keywords :
X-ray detection; avalanche photodiodes; light emitting diodes; photodetectors; solid scintillation detectors; 10 mm; 16 mm; 16.6 keV; 5 mm; 5.9 keV; LED light pulser; X-rays detection; energy resolution; large area avalanche photodiodes; light detection; light emitting diode; linearity; relative response; scintillators; Area measurement; Avalanche photodiodes; Energy resolution; Light emitting diodes; Linearity; Optical devices; Optical pulses; Pulse measurements; X-ray detection; X-ray detectors;
Conference_Titel :
Nuclear Science Symposium, 1999. Conference Record. 1999 IEEE
Conference_Location :
Seattle, WA
Print_ISBN :
0-7803-5696-9
DOI :
10.1109/NSSMIC.1999.842447
