A close-upof the XL5 klystron. Manufactured by CPI, it was brought to SLAC for testing at a unique facility that can power the tube with 400,000-volt pulses. Building its own test facility would have cost the company at least...
Electrons accelerated by SLAC’s linear accelerator ender the LCLS undulator hall and run a gauntlet of 32 powerful undulators. Each undulator contains 224 magnets whose alternating poles force the electrons to zigzag violently and radiate X-rays. By the time they...