Bent diamond-crystal x-ray spectrographs for x-ray free-electron laser noninvasive diagnostics

Sergey Terentyev; Vladimir Blank; Tomasz Kolodziej; Yuri Shvyd'ko

doi:10.1117/12.2238006

15 September 2016 Bent diamond-crystal x-ray spectrographs for x-ray free-electron laser noninvasive diagnostics

Sergey Terentyev, Vladimir Blank, Tomasz Kolodziej, Yuri Shvyd'ko

Proceedings Volume 9963, Advances in X-Ray/EUV Optics and Components XI; 99630B (2016) https://doi.org/10.1117/12.2238006
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

We report on the manufacturing and X-ray tests of bent diamond-crystal X-ray spectrographs, designed for noninvasive diagnostics of the X-ray free-electron laser (XFEL) spectra in the spectral range from 5 to 15 keV. The key component is a curved, 20-μm thin, single crystalline diamond triangular plate in the (110) orientation. The radius of curvature can be varied between R = 0:6 m and R = 0:1 m in a controlled fashion, ensuring imaging in a spectral window of up to 60 eV for ~ 8 keV X-rays. All of the components of the bending mechanism (about 10 parts) are manufactured from diamond, thus ensuring safe operations in intense XFEL beams. The spectrograph is transparent to 88% for 5-keV photons, and to 98% for 15-keV photons. Therefore, it can be used for noninvasive diagnostics of the X-ray spectra during XFEL operations.

Conference Presentation

Citation Download Citation

Sergey Terentyev, Vladimir Blank, Tomasz Kolodziej, and Yuri Shvyd'ko "Bent diamond-crystal x-ray spectrographs for x-ray free-electron laser noninvasive diagnostics", Proc. SPIE 9963, Advances in X-Ray/EUV Optics and Components XI, 99630B (15 September 2016); https://doi.org/10.1117/12.2238006

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