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TUPMA028 | Feasibility Study for an X-ray FEL Oscillator at the LCLS-II | 1897 |
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Funding: This work supported in part under US Department of Energy contract DE-AC02-76SF00515. We show that a free-electron laser oscillator generating X-ray pulses with hard X-ray wavelengths of order 0.1 nm is feasible using the presently proposed FEL-quality electron beam within the space of existing LCLS-II infrastructure when combined with a low-loss X-ray crystal cavity. In an oscillator configuration driven by the 4 GeV energy electron beam lasing at the fifth harmonic, output x-ray bandwidths as small as a few meV are possible. The delivered average spectral flux is at least two orders of magnitude greater than present synchrotron-based sources with highly stable, coherent pulses of duration 1 ps or less for applications in Mössbauer spectroscopy and inelastic x-ray scattering. |
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DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-TUPMA028 | |
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