A5020429610- Advanced X-ray Imaging Techniques
- X-ray Spectroscopy and Fluorescence Analysis
- Crystallography and Radiation Phenomena
- Particle Accelerators and Free-Electron Lasers
- Electron and X-Ray Spectroscopy Techniques
- Advanced Electron Microscopy Techniques and Applications
- Enzyme Structure and Function
- Primate Behavior and Ecology
- Advanced X-ray and CT Imaging
- Laser-Plasma Interactions and Diagnostics
- Nuclear Physics and Applications
- Diamond and Carbon-based Materials Research
- Medical Imaging Techniques and Applications
- Advancements in Photolithography Techniques
- Superconducting Materials and Applications
- Retinal Development and Disorders
- X-ray Diffraction in Crystallography
- Advanced Surface Polishing Techniques
- Advanced Measurement and Metrology Techniques
- Particle accelerators and beam dynamics
- Animal Behavior and Reproduction
- Advanced Chemical Physics Studies
- Visual perception and processing mechanisms
- Semiconductor materials and devices
- Semiconductor Quantum Structures and Devices
Japan Synchrotron Radiation Research Institute
2014-2025
Tokyo Women's Medical University
2024
University of Toyama
2024
SPring-8
2011-2023
Funabashi Central Hospital
2018-2023
University of Electro-Communications
2018-2023
Toyama College
2012
Toyota Central Research and Development Laboratories (Japan)
2012
Advanced Algorithm and Systems (Japan)
2011
Aichi Human Service Center
2011
A beamline for the x-ray free electron laser (XFEL) of SPring-8 Angstrom Compact LAser (SACLA) provides hard pulses in range 4.5–19.5 keV. Its optical system an optics hutch delivers a pink beam below 15 keV with either two double-mirror systems or monochromatic double-crystal monochromator. These XFEL beams are used various types measurement at experimental stations, e.g. diffraction, coherent diffraction imaging, spectroscopy and pump-and-probe measurement. The stations consist hutches...
A new soft X-ray beamline, BL07LSU, has been constructed at SPring-8 to perform advanced spectroscopy for materials science. The beamline is designed achieve high energy resolution (E/ΔE> 10000) and photon flux [>10(12) photons s(-1) (0.01% bandwidth)(-1)] in the range 250-2000 eV with controllable polarization. To realise this state-of-the-art performance, a novel segmented cross undulator was developed adopted as light source. details of source monochromator design are described. achieved...
The main components of a new beamline for surface and interface crystal structure determination at SPring-8 are briefly described. Stages the monochromator modified making an incident X-ray intensity more stable experiments. Absolute photon flux densities were measured with energy. A ultrahigh vacuum system is introduced preliminary measurements from ordered oxygen on Pt (111) surface.
An x-ray absorption fine-structure (XAFS) spectroscopy beamline, BL01B1, was installed at a bending magnet source SPring-8 and has been open to users since October 1997.It designed for XAFS experiments covering wide energy range.Position tables automatical control programs were established adjust the optics achieve performance of beamline under each experimental condition.This enabled conventional measurements be made with good data quality from 4.5 110 keV.
A new soft x‐ray beamline BL17SU (RIKEN) has been constructed at SPring‐8. The consists of two branches with each varied‐line‐spacing‐plane‐grating‐monochromator. Both monochromators perform high energy resolution (E/ΔE > 10,000) between 0.2 and 1 keV. One the monochromator achieves stability 10 meV over a period half day.
We have developed a quick-scanning x-ray absorption fine structure (QXAFS) system and installed it at the recently constructed synchrotron radiation beamline BL33XU SPring-8. Rapid acquisition of high-quality QXAFS data was realized by combining servo-motor-driven Si channel-cut monochromator with tapered undulator. Two tandemly aligned monochromators Si(111) Si(220) crystals covered energy ranges 4.0–28.2 keV 6.6–46.0 keV, respectively. The allows users to adjust instantly scans, starting...
Developments of X-ray optics for full utilization diffraction-limited storage rings (DLSRs) are presented. The expected performance DLSRs is introduced using the design parameters SPring-8 II. To develop optical elements applicable to manipulation coherent X-rays, advanced technologies on precise processing and metrology were invented. With propagation-based X-rays at 1 km beamline SPring-8, a beryllium window fabricated with physical-vapour-deposition method was found have ideal...
The Toyota beamline (BL33XU) at SPring-8 is an undulator developed to assist in the study of various automotive-related materials. light source a tapered in-vacuum that provides variable energy band width as well high brilliance X-ray beam. Two different optical arrangements are available: Optics 1 and 2. dedicated time-resolved absorption spectroscopy (XAFS), consists two channel-cut crystal monochromators four water-cooled flat Si mirrors. Si(111) Si(220) monochromator crystals cover range...
We achieved stable operation of a free-electron laser (FEL) based on the self-amplified spontaneous-emission (SASE) scheme at SPring-8 Compact SASE Source (SCSS) test accelerator in extremely ultraviolet region. Saturation FEL power has been wavelengths ranging from 50 to 60 nm. The pulse energy reached $\ensuremath{\sim}30\text{ }\text{ }\ensuremath{\mu}\mathrm{J}$ observed fluctuation is about 10% (standard deviation) for several hours, which agrees with expectation theory showing...
We have constructed an ambient pressure X-ray photoelectron spectroscopy instrument that uses hard radiation at the high-performance undulator beamline BL36XU of SPring-8. The dependence Au 4f peak intensity from foil on N2 was measured. At a photon energy 7.94 keV, maintained 40% 3000 Pa compared with high vacuum. designed polymer electrolyte fuel cell allows us to perform measurements electrode under working conditions. oxidized Pt peaks were observed in 3d5/2 level nanoparticles cathode,...
Substantial upgrades have been made to the beamline BL25SU at SPring-8 for soft X-ray imaging and spectroscopy of solid-state materials. The upgraded consists two branches: a micro-beam branch with high energy resolution, nano-beam small angular divergence. has available use since October 2014, following half year commissioning period. We present here performance parameters, including resolving power, photon flux, focused beam size, which are consistent designed specifications.
Contamination from nearby bending magnet radiation hinders precise and accurate determination of the true beam center undulator radiation. To solve this problem, a semi-nondestructive method was developed to visualize detailed profile synchrotron by using thin diamond film as scatterer. As passed through film, scattered X-rays were imaged pinhole camera measured with two-dimensional silicon drift detector (SDD) scan. With configuration, accurately determined visualizing pattern distribution...
Abstract Purpose To compare the clinical utility of G‐banding and next‐generation sequencing (NGS) for chromosomal analysis products conception (POC), a crucial tool detecting fetal abnormalities which are major causes miscarriage stillbirth. Methods We evaluated both techniques in prospective 40 patients who experienced miscarriages or stillbirths between 6 36 weeks gestation under Advanced Medical Care A Japan. Both methods were applied to same POC samples. The primary outcome was...