Radiation-hard mid-power booster optical fiber amplifiers for high-speed digital and analogue satellite laser communication links The small portion of the FPGA design that cannot be protected by TMR will be the dominant source of radiation-induced errors, even if that area is small. The redundant design eliminates virtually all single-point error modes, and a combination of triple-mode redundancy (TMR), internal and external scrubbing will provide adequate protection against radiation-induced errors. The FPGAs are remotely configured through two radiation-hard CERN GBTx deserialisers (GBTx), which also provide the LHC-synchronous system clock. The link board design is highly redundant, with digital functionality implemented in two Xilinx Kintex-7 FPGAs, and two Molex QSFP+ electro- optic modules with uplinks run at 10 Gbps. This paper describes the latest, full-functionality revision of the high-speed data link board developed for the Phase-2 upgrade of ATLAS hadronic Tile Calorimeter. It was determined, which of the glue samples is most suitable for production of detectors working under exposure to strong radiation.Ī radiation tolerant Data link board for the ATLAS Tile Cal upgrade The obtained data are presented in a comprehensive analysis of the results. With the help of a spectrophotometer and cobalt gun, each of the glue samples was measured for a relative light transmission factor with different wavelengths, depending on the radiation dose. Experiments were carried out to estimate radiation hardness of two types of optical glue used in detector production they are based on silicon rubber and epoxy. The radiation dose dependence of the photodiode current is presented, when it is excited by a light flux of a scintillator or by an external light source. The article describes a layout of an experimental facility that was used for measurements of radiation hardness.

In the course of research, experiments were carried out to estimate radiation hardness of a detector based on cadmium tungstate crystal and its structural components individually. The given article considers radiation hardness of an X-ray detector used in production of non-destructive testing instruments and inspection systems.

Studying radiation hardness of a cadmium tungstate crystal based radiation detector

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