Figure 1 (IMAGE)

Moscow Institute of Physics and Technology

Figure 1

Caption

X-ray free-electron laser. A source (1) emits free electrons (2) moving merely tens of times slower than the speed of light through the undulator (4), a tunnel lined with many magnets. The magnetic field causes an electron traveling through the tunnel to oscillate and therefore emit X-rays. The movement of the electrons in the undulator is synchronized to generate tight, high-frequency X-ray pulses of remarkable intensity (3).

Credit

Elena Khavina/MIPT Press Office

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