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World's most powerful X-ray laser will get 10,000 times brighter
If you think that Stanford's use of an super-bright X-ray laser to study the atom-level world is impressive, you're in for a treat. The school and its partners have started work on an upgrade, LCLS-II (Linac Coherent Light Source II), whose second laser beam will typically be 10,000 times brighter and 8,000 times faster than the first -- up to a million pulses per second. The feat will require an extremely cold (-456F), niobium-based superconducting accelerator cavity that conducts electricity with zero losses. In contrast, the original laser shoots through room-temperature copper at a relatively pedestrian 120 pulses per second.
