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Optimization for the Two-Stage Hard X-Ray Self-Seeding Scheme the SCLF

Tao Liu, Chao Feng, Dong Wang, Xiao Wang, Kaiqing Zhang, Satogata, Todd (Ed.), Schaa, Volker RW (Ed.)
2018

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Self-seeding mode has been demonstrated a great advantage for the achievement of a high brightness X-ray with a pure spectrum. Single-bunch self-seeding scheme with wake monochromators is adopted for the realization of the hard X-ray FEL at the Shanghai Coherent Light Facility (SCLF). Limited by the heat-loading of the monochromator, the two or multiple stages self-seeding scheme is required. In this contribution, we present a basic two-stage scheme design and optimization for the generation of
more » ... the photon energy range of 3 keV to 15 keV at the line FEL-I of the SCLF. Simulation results show the peak power and pulse energy each stage, which illustrates the loaded energy required of the crystal monochromator as a pointcut of its following thermal analysis. The electron beam energy used in the study is 8 GeV and the central photon energy is 12.4 keV.
doi:10.18429/jacow-ipac2018-thpmk070 fatcat:d7kpo2kljbgg7jannf6q43ddpe
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Tao Liu, Chao Feng, Dong Wang, Xiao Wang, Kaiqing Zhang, Satogata, Todd (Ed.), Schaa, Volker RW (Ed.). "Optimization for the Two-Stage Hard X-Ray Self-Seeding Scheme the SCLF." (2018) Canada