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Components off the shelf (cots) photodiodes suitable for OWLS were irradiated with ~10 to ~60 MeV protons and up to fluences of ~2.5-1012 p/cm2. Electrical and optoelectronic parameters were measured during the test (I-V curves, dark current, responsivity and ideal diode factor). Results on degradation and post-annealing are reported. Preliminary results on the lattice effects are also pointed.