Coherent, high repetition rate tender x-ray free-electron laser seeded by an extreme ultra-violet free-electron laser oscillator

A seeded FEL driven by a linac based on super conducting cavities, generating 108-1010 coherent photons per shot at 2-5 keV with 0.2-1 MHz of repetition rate, can address the need of a source devoted to fine analysis of matter using the linear spectroscopy technique. The seeding scheme described her...

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Bibliographic Details
Published in:	New journal of physics 2020-07, Vol.22 (7), p.73058
Main Authors:	Petrillo, V, Opromolla, M, Bacci, A, Broggi, F, Drebot, I, Ghiringhelli, G, Puppin, E, Rossetti Conti, M, Rossi, A R, Ruijter, M, Samsam, S, Tagliaferri, A, Rossi, G, Serafini, L
Format:	Article
Language:	eng
Subjects:	Coherence free electron laser Free electron lasers oscillator Repetition superconducting linac
Online Access:	Get full text
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Summary:	A seeded FEL driven by a linac based on super conducting cavities, generating 108-1010 coherent photons per shot at 2-5 keV with 0.2-1 MHz of repetition rate, can address the need of a source devoted to fine analysis of matter using the linear spectroscopy technique. The seeding scheme described hereafter is a multi-stage cascade upshifting the radiation frequency by a factor 20-40. The x-ray range can be achieved with a seed constituted by a coherent flash in the extreme ultraviolet range provided by an FEL oscillator operating at 12-14 nm. The whole chain of x-ray generation is described by means of start-to-end three-dimensional simulations.
ISSN:	1367-2630 1367-2630