Radiation sensitivity of light emitting diodes (LED), laser diodes (LD) and photodiodes (PD)

Commercially available diodes were irradiated at a flash X-ray source, a /sup 60/Co gamma ray source, and a 14 MeV neutron generator. During irradiation at the /sup 60/Co source the light output of the LEDs and LDs was measured continuously. From time to time the authors also observed their emission...

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Bibliographic Details
Main Authors: Lischka, H., Henschel, H., Lennartz, W., Schmidt, H.U.
Format: Conference Proceeding
Language:English
Subjects:
Dark current
Diode lasers
Light emitting diodes
Neutrons
Optical fiber couplers
Photodiodes
Power generation
Preamplifiers
Pulse measurements
Semiconductor diodes
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Summary:Commercially available diodes were irradiated at a flash X-ray source, a /sup 60/Co gamma ray source, and a 14 MeV neutron generator. During irradiation at the /sup 60/Co source the light output of the LEDs and LDs was measured continuously. From time to time the authors also observed their emission spectrum. With the PDs they measured the preamplifier output during /sup 60/Co irradiation as well as dark current and noise before and after irradiation. Determination of the sensitivity against neutrons was made off-line. After pulsed irradiation of PDs they measured how long a certain type of preamplifier was overdriven by the induced photocurrent.< >
DOI:10.1109/RADECS.1991.213565