Optics for coherent X-ray applications.
Makina Yabashi,Kensuke Tono,Hidekazu Mimura,Satoshi Matsuyama,Kazuto Yamauchi,Takashi Tanaka,Hitoshi Tanaka,Kenji Tamasaku,Haruhiko Ohashi,Shunji Goto,Tetsuya Ishikawa +10 more
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TLDR
Developments of optics for coherent X-ray applications and their role in diffraction-limited storage rings are described.Abstract:
Developments of X-ray optics for full utilization of diffraction-limited storage rings (DLSRs) are presented. The expected performance of DLSRs is introduced using the design parameters of SPring-8 II. To develop optical elements applicable to manipulation of coherent X-rays, advanced technologies on precise processing and metrology were invented. With propagation-based coherent X-rays at the 1 km beamline of SPring-8, a beryllium window fabricated with the physical-vapour-deposition method was found to have ideal speckle-free properties. The elastic emission machining method was utilized for developing reflective mirrors without distortion of the wavefronts. The method was further applied to production of diffraction-limited focusing mirrors generating the smallest spot size in the sub-10 nm regime. To enable production of ultra-intense nanobeams at DLSRs, a low-vibration cooling system for a high-heat-load monochromator and advanced diagnostic systems to characterize X-ray beam properties precisely were developed. Finally, new experimental schemes for combinative nano-analysis and spectroscopy realised with novel X-ray optics are discussed.read more
Citations
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Journal ArticleDOI
Diffraction-limited storage rings - a window to the science of tomorrow.
TL;DR: This article summarizes the contributions in this special issue on Diffraction-Limited Storage Rings and analyses the progress in accelerator technology enabling a significant increase in brightness and coherent fraction of the X-ray light provided by storage rings.
Journal ArticleDOI
Short-wavelength free-electron laser sources and science: a review
E. A. Seddon,E. A. Seddon,E. A. Seddon,J. A. Clarke,J. A. Clarke,David Dunning,David Dunning,Claudio Masciovecchio,Christopher J. Milne,Fulvio Parmigiani,Fulvio Parmigiani,D Rugg,John C. H. Spence,N.R. Thompson,N.R. Thompson,Kiyoshi Ueda,Sam Vinko,Justin Wark,Wilfried Wurth +18 more
TL;DR: This review is focused on free-electron lasers (FELs) in the hard to soft x-ray regime and provides newcomers to the area with insights into: the basic physics of FELs, the qualities of the radiation they produce, the challenges of transmitting that radiation to end users and the diversity of current scientific applications.
Journal ArticleDOI
Overview of the SACLA facility.
TL;DR: An overview of SACLA operating as a user facility and the updated status of the light source and the beamline is summarized.
Journal ArticleDOI
New developments in high-pressure X-ray diffraction beamline for diamond anvil cell at SPring-8
TL;DR: An overview of the recently renovated high-pressure X-ray diffraction (XRD) BL10XU beamline for the diamond anvil cell at SPring-8 is presented in this article.
Journal ArticleDOI
Design of the mirror optical systems for coherent diffractive imaging at the SPB/SFX instrument of the European XFEL
TL;DR: In this article, the authors present the design and simulated performance of two state-of-the-art Kirkpatrik-Baez mirror systems that form the primary foci of the single particles, clusters and biomolecules and serial femtosecond crystallography (SPB/SFX) instrument of the European XFEL.
References
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Large Defect-Free Synthetic Type IIa Diamond Crystals Synthesized via High Pressure and High Temperature
Hitoshi Sumiya,Kenji Tamasaku +1 more
TL;DR: In this article, high-quality type IIa diamond crystals measuring up to 12 mm in diameter were successfully synthesized by the temperature gradient method at high pressure and high temperature, using high-crystalline-quality (001)-oriented seed crystals, and by controlling the temperature conditions with high precision.
Journal ArticleDOI
Wavefront measurement for a hard-X-ray nanobeam using single-grating interferometry.
Satoshi Matsuyama,Hikaru Yokoyama,Ryosuke Fukui,Yoshiki Kohmura,Kenji Tamasaku,Makina Yabashi,Wataru Yashiro,Atsushi Momose,Tetsuya Ishikawa,Kazuto Yamauchi +9 more
TL;DR: Wavefront measurement for a hard-X-ray nanobeam using single-grating interferometry based on the Talbot effect and the Fourier transform method was demonstrated in the 1-km-long beamline of SPring-8, demonstrating good agreement with each other and with the wavefront error estimated from the shape of the deformable mirror.
Journal ArticleDOI
On the requirements to the instrumentation for the new generation of the synchrotron radiation sources. Beryllium windows
TL;DR: In this article, it was shown that the high spatial and time coherency of the X-ray beam delivered at the ESRF allows one to observe very weak perturbation of the wave front, resulting in the phase contrast and undesirable speckle structure of the beam, that impose special requirements to all elements to be installed in the optical path such as beryllium windowns, filters and mirrors.
Journal ArticleDOI
Nearly diffraction-limited line focusing of a hard-X-ray beam with an elliptically figured mirror.
Kazuto Yamauchi,Kazuya Yamamura,Hidekazu Mimura,Yasuhisa Sano,Akira Saito,Alexei Souvorov,Makina Yabashi,Kenji Tamasaku,Tetsuya Ishikawa,Yuzo Mori +9 more
TL;DR: An elliptical mirror for X-ray microfocusing was manufactured using the new fabrication methods of elastic emission machining and plasma chemical vaporization machining, and reproduced well the measured focusing properties both at and around the beam waist.
Journal ArticleDOI
Visualizing the local optical response to extreme-ultraviolet radiation with a resolution of λ/380
TL;DR: In this article, the optical properties of diamond were mapped down to a resolution of λ/380 using ultraviolet and X-ray photons in a nonlinear process, which is the smallest object that can be seen with light at a certain wavelength.
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