Search Results - "Sakaue, K"
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Viscoelastic characteristics of short fiber reinforced polybutylene terephthalate
Published in Mechanics of time-dependent materials (01-08-2020)“…The mechanical characteristics of short-fiber-reinforced thermoplastics should be evaluated based on viscoelastic theory because of the time and temperature…”
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Experimental–numerical hybrid stress analysis for a curving crack in a thin glass plate under thermal load
Published in Engineering fracture mechanics (01-11-2014)“…•Stress fields around a curving crack in a thin glass plate is measured using instantaneous phase-stepping photoelasticity.•An experimental–numerical hybrid…”
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Pulse duration dependence of ablation threshold for fused silica in the visible femtosecond regime
Published in Applied physics. A, Materials science & processing (01-06-2020)“…In this study, we investigated the variation of the femtosecond pulse duration of the threshold fluence of fused silica by a single-shot irradiation at a…”
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Multicycle Indentation for Evaluation of Polymer Material Viscoelastic Characteristics
Published in Experimental mechanics (01-06-2018)“…The evaluation of viscoelastic characteristics by an indentation test is required in order to separate the viscoelastic deformation and plastic deformation…”
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Efficient propagation of polarization from laser photons to positrons through compton scattering and electron-positron pair creation
Published in Physical review letters (24-03-2006)“…We have demonstrated for the first time the production of highly polarized short-pulse positrons with a finite energy spread in accordance with a new scheme…”
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Ablation threshold and crater morphology of amorphous and crystalline SiO2 glass for extreme ultraviolet femtosecond pulses
Published in Japanese Journal of Applied Physics (01-12-2020)“…The ablation threshold fluence and crater morphology of amorphous and crystalline SiO2 glass were analyzed in the regime of an extreme ultraviolet femtosecond…”
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Tongue pressure production during swallowing in patients with mandibular prognathism
Published in Journal of oral rehabilitation (01-05-2016)“…Summary Abnormalities of swallowing in patients with mandibular prognathism have not been evaluated quantitatively. The aim of this study was to compare tongue…”
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High-charge ultrashort electron bunch generation by an energy chirping cell-attached rf electron gun and its measurement using a transverse deflecting cavity
Published in Physical review. Accelerators and beams (01-08-2021)“…Ultrashort electron bunches are becoming increasingly important for applications such as free-electron lasers, time-resolved electron diffraction/microscopy,…”
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Observation of the stimulated coherent diffraction radiation in an open resonator at LUCX facility
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-11-2014)“…We present an initial test of a new type of a pre-bunched beam pumped free electron maser based on Stimulated Coherent Diffraction Radiation (SCDR) generated…”
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Development of a three dimensional four mirror optical cavity for laser-Compton scattering
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-10-2013)“…This paper describes a design and performance of a three-dimensional 4-mirror optical cavity for development of intense photon sources by laser-Compton…”
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Evaluation of Viscoelastic Characteristics of Short-fiber Reinforced Composite by Indentation Method
Published in Experimental mechanics (01-10-2012)“…Indentation tests are performed to evaluate the viscoelastic characteristics of a short-fiber reinforced composite. Finite element analysis is also carried out…”
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Study on crack propagation behavior in a quenched glass plate
Published in Engineering fracture mechanics (01-09-2009)“…Crack pattern transition and crack propagation behavior in a quenched glass plate are investigated. Theoretical analysis indicates that the distance between…”
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Stabilization of a non-planar optical cavity using its polarization property
Published in Optics communications (01-08-2009)“…This paper describes new scheme for obtaining a differential signal to lock an optical cavity at a resonance peak. This scheme utilizes a unique property of…”
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Ultrashort electron bunch generation by an energy chirping cell attached rf gun
Published in Physical review special topics. PRST-AB. Accelerators and beams (19-02-2014)“…We present a new design for a rf electron gun to be used in ultrashort (∼1 ps) electron bunch generation. Using both simulation and measurement we evaluated…”
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Characterization of THz radiation generated by ultra-short bunch from energy chirping cell attached RF electron gun
Published in Vibrational spectroscopy (01-11-2014)“…The coherent radiation spectrum extends into the far-infrared/THz region when the electron bunch is shorter than 1ps (0.3mm). Such ultra-short electron bunches…”
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Instantaneous imaging technology for phase-stepping photoelasticity using pixelated microretarder array camera
Published in Optics and lasers in engineering (01-09-2024)“…•The full Stokes parameters can be obtained from a single image instantaneously using a camera equipped with microreaders.•The distributions of the…”
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