Yasuhiko Nishimura
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View article: Risk Factors for Precipitating Multiple Spinal Cord Surgeries
Risk Factors for Precipitating Multiple Spinal Cord Surgeries Open
View article: Editorial: Endoscopic spine surgery
Editorial: Endoscopic spine surgery Open
EDITORIAL article Front. Surg., 09 January 2023Sec. Orthopedic Surgery Volume 9 - 2022 | https://doi.org/10.3389/fsurg.2022.1127851
View article: High Energy Density Plasma Heating with Counter Illuminating Ultra-Intense Laser Pulses
High Energy Density Plasma Heating with Counter Illuminating Ultra-Intense Laser Pulses Open
Counter illuminating ultra intense laser pulses into the high energy density plasma are expected to create a novel heating mechanism by electromagnetic fields driven by counter fast electron flows. A heating mechanism with electromagnetic …
View article: Present Status of Fusion Fuel Injection System and Neutron Generation
Present Status of Fusion Fuel Injection System and Neutron Generation Open
Repetitive fusion fuel injection and laser engagement are key technologies for achieving laser inertial confinement fusion reactors. This paper reports the present status of fusion fuel injection system and neutron generation conducted at …
View article: Amorphous nanostructuralization in HOPG by 10<sup>14</sup>W cm<sup>-2</sup>laser
Amorphous nanostructuralization in HOPG by 10<sup>14</sup>W cm<sup>-2</sup>laser Open
This reports provide an amorphous nanostructuralization technique on the surface modification in Highly Oriented Pyrolytic Graphite (HOPG) by using a femtosecond laser. We showed, for the first time, that the surface of HOPG is changed to …
View article: Upgrade of repetitive fast-heating fusion driver HAMA to implode a shell target by using diode pumped solid state laser
Upgrade of repetitive fast-heating fusion driver HAMA to implode a shell target by using diode pumped solid state laser Open
The HAMA is 1-Hz fast heating fusion driver pumped by a 10 J second-harmonic of diode-pumped Nd:glass laser: KURE-1. We have upgraded HAMA to realize an implosion of spherical shell target by using a remaining fundamental beam from KURE-1.…
View article: Target Monitoring and Plasma Diagnosis using 2<i>ω</i>probe beam for CANDY
Target Monitoring and Plasma Diagnosis using 2<i>ω</i>probe beam for CANDY Open
We have developed the shadowgraph and interferometer with second-harmonic of heating pulses laser to observe target and plasma in highly-repetitive fusion reaction experiments. In the deuterated polystyrene ((C8D8)n double foil experiment,…
View article: Progress toward a unified kJ-machine CANDY
Progress toward a unified kJ-machine CANDY Open
To construct a unified experimental machine CANDY using a kJ DPSSL driver in the fast-ignition scheme, the Laser for Fast Ignition Experiment (LFEX) at Osaka is used, showing that the laser-driven ions heat the preimploded core of a deuter…
View article: Repetitive Solid Spherical Pellet Injection and Irradiation toward the Repetitive-mode Fast-Ignition Fusion miniReactor CANDY.
Repetitive Solid Spherical Pellet Injection and Irradiation toward the Repetitive-mode Fast-Ignition Fusion miniReactor CANDY. Open
Pellet injection and repetitive laser illumination are key technologies for realizing inertial fusion energy[1-4]. Neutron generator using lasers also requires a repeating pellet target supplier. Here we present the first demonstration of …
View article: Multilayered polycrystallization in single-crystal YSZ by laser-shock compression
Multilayered polycrystallization in single-crystal YSZ by laser-shock compression Open
A single shot of an ultra-intense laser with 0.8 J of energy and a pulse width of 110 fs (peak intensity of W cm−2) is divided into two beams and the two beams counter-irradiated onto a 0.5 mm-thick single crystal yttria-stabilized zirconi…