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Free RadFiber database contains radiation induced attenuation data measured on various commercial optical fibers. New data will be added every year. To access this tool, send an email to the address above specifying the following elements : First Name, Last Name, Company Name, and Department Name. Allow 5 business days to receive your username and password that will remain valid for a year. If you are working on a project requiring an optic fiber in a radiative environment, we may be able to test it for free. Ask us and we will give you the details. By now 11 commercial fibers have been irradiated through 18 spools ; maximum dose reaches 495 Gy ; dose rate domain ranges from 2.98 to 10 Gy/h ; certain fibers were tested at multiple temperatures (-50, 17 and 60 Celsius degree) ; database contains 198242 entries.