Maintaining the NIF
Technicians replace the photomultipliers in the filter-fluorescer hard x-ray diagnostic (FFLEX) during the December 2017 NIF facility maintenance and reconfiguration (FM&R) period. More than 160 tasks were performed over the nine-day period. The FFLEX is a broad-band, high-energy spectrometer used to measure the temporal history of the x-ray spectrum in the 20,000 to 500,000 electron-volt range using ten individually filtered, time-resolved detectors.
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