Nuclear radiation effects on GaAs/AlGaAs quantum well infrared photodetectors

We report on the experimental results of the effect of proton radiation on the performance of quantum well infrared photodetectors. A range of energies from 0.8 to 10 MeV and a range of fluences from 1012 to 1016 cm-2 were used. The detector performance are characterized by its responsivity becomes progressively worse with increasing fluence. For the same fluence, lower energy causes more damage to the detector.© (1996) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.