An experiment shaped like a barbell (IMAGE)

DOE/SLAC National Accelerator Laboratory

An experiment shaped like a barbell

Caption

The experimental apparatus is shaped roughly like a barbell, with two boxy vacuum chambers at the ends and beam pipes connecting them. X-ray pulses travel from the front cavity chamber to the back one through one pipe, then back to the front cavity through the other pipe, completing a 46-foot loop. Diamond mirrors inside the cavities guide the pulses along precisely the right path.

Credit

Diling Zhu/SLAC National Accelerator Laboratory

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