Ricarda Laasch | 12 May 2016If you're an electron, a ride in a cavity is pretty much the coolest thing that can happen to you. If you're an accelerator and you need huge numbers of cavities you better make sure they're all of outstanding quality – which is what the X-ray free-electron laser European XFEL under construction in Hamburg has just finished. In a series first published in DESY inForm, we look at how a niobium sheet turns into a curvy beauty. Part three describes how they make their way from test benches into the cryomodules and, finally, into the tunnel.
Category: Around the World | Tagged: cavity, CEA-Irfu, CNRS/IN2P3, CNRS/LAL, DESY, European XFEL, Saclay, SCRF
Perrine Royole-Degieux | 5 April 2007Before accelerating electrons and positrons, cavities need to undergo a number of treatments, such as chemical and electropolishing, the last one being baking. The standard baking procedure heats the cavity at 120°C for two days with an ultra high vacuum (UHV) requirement. These very restrictive conditions are unfortunately not appropriate for the treatment of 16,000 cavities that the ILC requires.
Category: Feature | Tagged: cavity baking, DAPNIA, France, Saclay