Idaho National Laboratory uses LED "light reactors" to test microreactor controls
Feb 12, 2026
Idaho National Laboratory researchers described 'Vibrant,' an LED‑based surrogate reactor, and 'MAX,' a control testbed, saying the systems let developers test microreactor control hardware and software safely and supported work on MARVEL, an 85‑kilowatt microreactor under development at INL.
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Idaho National Laboratory researchers described a light‑based testing platform that simulates reactor physics with LEDs so developers can test control systems without radiation hazards, officials said. "It replaces the neutronics in a real reactor with light physics," Unidentified Speaker 1 said.
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