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X-ray optics for advanced ultrafast pump–probe X-ray experiments at SACLA
- Source :
- Journal of Synchrotron Radiation. 26:333-338
- Publication Year :
- 2019
- Publisher :
- International Union of Crystallography (IUCr), 2019.
-
Abstract
- X-ray optics were implemented for advanced ultrafast X-ray experiments with different techniques at the hard X-ray beamline BL3 of SPring-8 Ångstrom Compact free-electron LAser. A double channel-cut crystal monochromator (DCCM) and compound refractive lenses (CRLs) were installed to tailor the beam conditions. These X-ray optics can work simultaneously with an arrival-timing monitor that compensates for timing jitter and drift. Inner-walls of channel-cut crystals (CCs) in the DCCM were processed by plasma chemical vaporization machining to remove crystallographic damage. Four-bounced reflection profiles of the CCs were investigated and excellent diffraction qualities were achieved. The use of CRLs enabled two-dimensional X-ray focusing with a spot size of ∼1.5 µm × 1.5 µm full width at half-maximum, while keeping reasonable throughputs for a wide photon energy range of 5−15 keV.
- Subjects :
- Diffraction
Nuclear and High Energy Physics
Radiation
Materials science
business.industry
X-ray optics
02 engineering and technology
Photon energy
021001 nanoscience & nanotechnology
Laser
01 natural sciences
law.invention
SACLA
Optics
Beamline
law
Crystal monochromator
0103 physical sciences
010306 general physics
0210 nano-technology
business
Instrumentation
Ultrashort pulse
Subjects
Details
- ISSN :
- 16005775
- Volume :
- 26
- Database :
- OpenAIRE
- Journal :
- Journal of Synchrotron Radiation
- Accession number :
- edsair.doi...........e895698299e5217581f9b49193710c74