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An irradiation campaign was conducted to provide guidance in the selection of materials and components for the radiation hardening of LED lights for use in CERN accelerator tunnels. This work describes the effects of gamma-rays on commercial-grade borosilicate, fused quartz, polymethylmethacrylate, and polycarbonate samples up to doses of 100 kGy, to qualify their use as optical materials in rad-hard LED-based luminaires. In addition, a Si bridge rectifier and a SiC Junction Barrier Schottky diode for use in power supplies of rad-hard LED lighting systems are tested using 24 GeV/c protons. The physical degradation mechanisms are discussed for each element.

Radiation Testing of Optical and Semiconductor Components for Radiation-Tolerant LED Luminaires