Housed inside Xcimer's 74,000-square-foot laser facility, Phoenix uses a krypton fluoride excimer laser, a gas-laser design related to technology used in semiconductor manufacturing, albeit at a much...

Fusion startup Xcimer fired up the world's largest privately owned laser.

Housed inside Xcimer's 74,000-square-foot laser facility, Phoenix uses a krypton fluoride excimer laser, a gas-laser design related to technology used in semiconductor…