Fig. 1 (IMAGE)

The University of Osaka

Fig. 1

Caption

Proof-of-concept experimental setup used to generate an extreme ultraviolet (XUV) free-electron laser (FEL) driven by a laser wakefield acceleration (LWFA) electron beam. An intense laser pulse, generated by the upstream laser system, is focused onto a supersonic gas-jet target to produce a plasma. Electrons are trapped and accelerated by the plasma wave (i.e. the laser wakefield) created in the plasma, generating a high-energy electron beam. This electron beam is transported via a transport line to a downstream undulator, where it undergoes transverse oscillations in the periodic magnetic field, generating the FEL in the XUV region.

Credit

Tomonao Hosokai

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