List of works by Haruhiko Ohashi

3D visualization of XFEL beam focusing properties using LiF crystal X-ray detector

scientific article

A compact X-ray free-electron laser emitting in the sub-ångström region

A compact free-electron laser for generating coherent radiation in the extreme ultraviolet region

An X-ray harmonic separator for next-generation synchrotron X-ray sources and X-ray free-electron lasers.

scientific article published on 28 February 2018

Atomic inner-shell laser at 1.5-ångström wavelength pumped by an X-ray free-electron laser

scientific article published on August 2015

Beamline mirrors and monochromator for X-ray free electron laser of SACLA

Construction of beamline radiation shielding hutch at the SPring-8

article

Damage threshold of platinum/carbon multilayers under hard X-ray free-electron laser irradiation

scientific article published in November 2015

Dynamic fracture of tantalum under extreme tensile stress

scientific article

Effective protocol for realizing contamination-free X-ray reflective optics

scientific article published on 01 February 2019

Extreme ultraviolet free electron laser seeded with high-order harmonic of Ti:sapphire laser

scientific article

Femtosecond Snapshot Holography with Extended Reference Using Extreme Ultraviolet Free-Electron Laser

Focusing mirror for x-ray free-electron lasers

scientific article

Focusing of X-ray free-electron laser pulses with reflective optics

Generation of 10(20) W cm(-2) hard X-ray laser pulses with two-stage reflective focusing system.

scientific article published on 30 April 2014

Indium-Doped ZnO Scintillator With 3-Ps Response Time for Accurate Synchronization of Optical and X-Ray Free Electron Laser Pulses

Investigation of ablation thresholds of optical materials using 1-µm-focusing beam at hard X-ray free electron laser

scientific article

Measurement of the single-shot pulse energy of a free electron laser using a cryogenic radiometer

Nanofocusing of X-ray free-electron lasers by grazing-incidence reflective optics

scientific article published on 15 April 2015

Observation of field-induced magnetic and structural transitions in an antiferromagnet by means of synchrotron x-rays

Optical features of a LiF crystal soft X-ray imaging detector irradiated by free electron laser pulses

scientific article

Optical properties of hydrothermal-method-grown ZnO crystal as EUV laser diagnostics material

Optics for coherent X-ray applications

scientific article published on 27 August 2014

Performance of focusing mirror device in EUV beamline of SPring-8 Compact SASE Source (SCSS)

article

Radiometric comparison for measuring the absolute radiant power of a free-electron laser in the extreme ultraviolet

Response Time-Shortened Zinc Oxide Scintillator for Accurate Single-Shot Synchronization of Extreme Ultraviolet Free-Electron Laser and Short-Pulse Laser

Response-time improved hydrothermal-method-grown ZnO scintillator for XFEL timing-observation

Response-time improved hydrothermal-method-grown ZnO scintillator for soft x-ray free-electron laser timing-observation

scientific article

Saturable absorption of intense hard X-rays in iron

scientific article

Soft x-ray free-electron laser imaging by LiF crystal and film detectors over a wide range of fluences

scientific article

Stabilization of X-ray Beamline Optics towards Tens of Nanoradian Levels at SPring-8/SACLA

article

Stable operation of a self-amplified spontaneous-emission free-electron laser in the extremely ultraviolet region

Stable sub-micrometre high-flux probe for soft X-ray ARPES using a monolithic Wolter mirror

scientific article published on 10 July 2020

Synchrotron X-ray Diffraction Studies of the Incommensurate Phase of a Spin–Peierls System CuGeO3in Strong Magnetic Fields

Systematic-error-free wavefront measurement using an X-ray single-grating interferometer

scientific article published on 01 April 2018

Ultra-fast switching of light by absorption saturation in vacuum ultra-violet region

scientific article

X-ray collimation by the parabolic cylinder mirror in SPring-8/BL29XUL.

scientific article published on January 2016

X-ray two-photon absorption competing against single and sequential multiphoton processes