Impact Factor:0.0
DOI number:10.1103/PhysRevAccelBeams.19.080702
Journal:Phys. Rev. Accel. Beams
Abstract:We propose a novel scheme to generate attosecond soft x rays in a self-seeded free-electron laser (FEL) suitable for enabling attosecond spectroscopic investigations. A time-energy chirped electron bunch with additional sinusoidal energy modulation is adopted to produce a short seed pulse through a self-seeding monochromator. This short seed pulse, together with high electron current spikes and a cascaded delay setup, enables a high-efficiency FEL with a fresh bunch scheme. Simulations show that using the Linac Coherent Light Source (LCLS) parameters, soft x-ray pulses with a FWHM of 260 attoseconds and a peak power of 0.5 TW can be obtained. This scheme also has the feature of providing a stable central wavelength determined by the self-seeding monochromator.
Volume:19
Page Number:080702
Translation or Not:no
Date of Publication:2016-08-15
Links to published journals:http://dx.doi.org/10.1103/PhysRevAccelBeams.19.080702
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