TUYPLM2
RIKEN SPring-8 Center, Sayo-cho, Sayo-gun, Hyogo, Japan
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TUYPLM2 |
Stable and Brilliant Self-Seeded XFEL at SACLA | |
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| A new self-seeding experiment on the hard x-ray free-electron laser (XFEL) is in progress at the XFEL facility, SACLA. Self-seeding of a hard x-ray FEL has been demonstrated at SLAC and SACLA using a transmission type scheme with a single crystal. However, the gain of the spectral brightness is limited in the transmission type scheme. Therefore, a reflection type self-seeding system with a pair of channel-cut crystals has been developed at SACLA and self-seeding experiments have been performed. Adoption of a channel-cut crystal is critically important to minimize the delay of the seed laser from the electron bunch. Preliminary results showed much higher spectral brightness and much better stability than the transmission scheme. This talk presents the design of the reflection type scheme and the performance of the self- seeded XFEL obtained at SACLA. | ||
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Slides TUYPLM2 [72.122 MB] | |
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