FR2AA01
LNF-INFN, Frascati, Italy
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FR2AA01 |
Exponential Growth of Radiation in an EUV FEL Driven by an Electron Beam Generated in a Plasma Wakefield Accelerator | |
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| Exponential gain of extreme ultraviolet radiation at 27 nm was observed in a free-electron laser (FEL) driven by the electron beam generated in a laser-driven plasma wake-field accelerator at SIOM (China, Shanghai). This experiment, showing that the quality of the beam generated in the laser plasma accelerator is sufficient to sustain amplification in a FEL, represents a long awaited fundamental milestone. In addition, more recently a first demonstration of FEL exponential gain was also achieved in a beam-driven plasma accelerator at a wavelength of 830 nm at INFN (Frascati, Italy). The performances of these FELs cannot match those available in existing FEL facilities. However, these experiments represent a technological breakthrough and pave the way for FELs driven by extremely compact accelerators. | ||
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