The Production of High Quality Electron Beams in the Alpha-x Laser Wakefield Accelerator
نویسندگان
چکیده
The ALPHA-X laser wakefield accelerator beam line comprises a high power (900 mJ, 35 fs) Ti:sapphire laser pulse, a gas jet (length 2 mm, plasma density ~ 10 cm) accelerating structure and a suite of single-shot electron beam diagnostics. Monoenergetic electron beams with central energy up to 220 MeV are generated in the accelerator. By operating close to the threshold for injection with low beam charge (~1-10 pC), resolutionlimited values for the measured relative energy spread (0.7%) and normalised transverse emittance (1.1 mm mrad) demonstrate the high quality possessed by the electron bunches, making them suitable for application.
منابع مشابه
Generation of tunable, 100–800 MeV quasi-monoenergetic electron beams from a laser-wakefield accelerator in the blowout regimea)
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