The faster, more powerful European XFEL free-electron laser[1] was inaugurated on September 1, 2017, near Hamburg, Germany. By producing ultra-bright, trillion-photon X-ray flashes at a frequency two hundred times greater than the best preexisting free-electron lasers (FELs), this next-generation European instrument will allow scientists to map the atomic relief of viruses, decipher the molecular composition of cells, create 3-D images of the nanoworld, and even film chemical reactions.
The European X-ray Free Electron Laser has reached one of its final major milestones. The cryomodules used to accelerate the electrons, supplied by IRFU, were installed on-site in Hamburg, Germany. A first electron beam was accelerated across the section of the first 17 cryomodules.


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