All Stories

  1. Ultrahigh-energy density state in nanowire arrays irradiated with picosecond kilojoule-class ultra-intense laser

    Article • AIP Advances, December 2023, American Institute of Physics

    Keisuke Shigemori

  2. Refractive index measurement of hydrogen isotopologue mixture and applicability for homogeneity of hydrogen solid at cryogenic temperature in fusion fuel system

    Article • Nuclear Fusion, June 2023, Institute of Physics Publishing

    Keisuke Shigemori

  3. Temporal evolution of pressure profiles for laser-induced cavitation bubble on the metal surface

    Article • Journal of Applied Physics, March 2023, American Institute of Physics

    Keisuke Shigemori

  4. Ultrafast time-resolved 2D imaging of laser-driven fast electron transport in solid density matter using an x-ray free electron laser

    Article • Review of Scientific Instruments, March 2023, American Institute of Physics

    Keisuke Shigemori

  5. Fabrication of high-concentration Cu-doped deuterated targets for fast ignition experiments

    Article • Nuclear Fusion, December 2022, Institute of Physics Publishing

    Keisuke Shigemori

  6. Development of an experimental platform for the investigation of laser–plasma interaction in conditions relevant to shock ignition regime

    Article • Review of Scientific Instruments, June 2022, American Institute of Physics

    Keisuke Shigemori

  7. Recent progress in matter in extreme states created by laser

    Article • Matter and Radiation at Extremes, January 2022, American Institute of Physics

    Keisuke Shigemori

  8. Direct-drive implosion experiment of diamond capsules fabricated with hot filament chemical vapor deposition technique

    Article • Physics of Plasmas, October 2021, American Institute of Physics

    Keisuke Shigemori

  9. Laser astrophysics experiment on the amplification of magnetic fields by shock-induced interfacial instabilities

    Article • September 2021, American Physical Society (APS)

    Keisuke Shigemori

  10. In situ observation of the Rayleigh–Taylor instability of liquid Fe and Fe–Si alloys under extreme conditions: Implications for planetary core formation

    Article • Matter and Radiation at Extremes, September 2021, American Institute of Physics

    Keisuke Shigemori

  11. Dependences of morphology and surface roughness on growth conditions of diamond capsules for the direct-drive inertial confinement fusion

    Article • High Energy Density Physics, November 2020, Elsevier

    Keisuke Shigemori

  12. Generation of residual stress field in metal by an interference shock wave

    Article • High Energy Density Physics, November 2020, Elsevier

    Keisuke Shigemori

  13. The role of hot electrons on ultrahigh pressure generation relevant to shock ignition conditions

    Article • High Energy Density Physics, November 2020, Elsevier

    Keisuke Shigemori

  14. Development of a 100-J DPSSL as a laser processing platform in the TACMI consortium

    Article • High Energy Density Physics, August 2020, Elsevier

    Keisuke Shigemori

  15. Observation of ultra-high energy density state with x-ray free electron laser SACLA

    Article • High Energy Density Physics, August 2020, Elsevier

    Keisuke Shigemori

  16. Preliminary results from the LMJ-PETAL experiment on hot electrons characterization in the context of shock ignition

    Article • High Energy Density Physics, August 2020, Elsevier

    Keisuke Shigemori

  17. Two-color laser-plasma interactions for efficient production of non-thermal hot electrons

    Article • High Energy Density Physics, August 2020, Elsevier

    Keisuke Shigemori

  18. Surface structure on diamond foils generated by spatially nonuniform laser irradiation

    Article • Scientific Reports, June 2020, Springer Science + Business Media

    Keisuke Shigemori

  19. Measurements of Rayleigh–Taylor instability growth of laser-shocked iron–silicon alloy

    Article • High Pressure Research, January 2019, Taylor & Francis

    Keisuke Shigemori

  20. Synthesis and characterization of diamond capsules for direct-drive inertial confinement fusion

    Article • Diamond and Related Materials, June 2018, Elsevier

    Keisuke Shigemori

  21. 3 × 10<sup>8 </sup>D-D Neutron Generation by High-Intensity Laser Irradiation onto the Inner Surface of Spherical CD Shells

    Article • Plasma and Fusion Research, April 2018, Japan Society of Plasma Science and Nuclear Fusion Research

    Keisuke Shigemori

  22. Effect of equation of state on laser imprinting by comparing diamond and polystyrene foils

    Article • Physics of Plasmas, March 2018, American Institute of Physics

    Keisuke Shigemori

  23. Improvement in the heating efficiency of fast ignition inertial confinement fusion through suppression of the preformed plasma

    Article • Nuclear Fusion, April 2017, Institute of Physics Publishing

    Keisuke Shigemori

  24. Flash Kα radiography of laser-driven solid sphere compression for fast ignition

    Article • Applied Physics Letters, June 2016, American Institute of Physics

    Keisuke Shigemori

  25. An optimum design of implosion with external magnetic field for electron beam guiding in fast ignition

    Article • Journal of Physics Conference Series, May 2016, Institute of Physics Publishing

    Keisuke Shigemori

  26. Converging shock generation with cone target filled with low density foam

    Article • Journal of Physics Conference Series, May 2016, Institute of Physics Publishing

    Keisuke Shigemori

  27. Fast ignition realization experiment with high-contrast kilo-joule peta-watt LFEX laser and strong external magnetic field

    Article • Physics of Plasmas, May 2016, American Institute of Physics

    Keisuke Shigemori

  28. Recovery of entire shocked samples in a range of pressure from ~100 GPa to Hugoniot elastic limit

    Article • Meteoritics and Planetary Science, April 2016, Wiley

    Keisuke Shigemori

  29. Mitigation of Laser Imprinting with Diamond Ablator for Direct-Drive Inertial Confinement Fusion Targets

    Article • Journal of Physics Conference Series, March 2016, Institute of Physics Publishing

    Keisuke Shigemori

  30. Heating efficiency evaluation with mimicking plasma conditions of integrated fast-ignition experiment

    Article • Physical Review E, June 2015, American Physical Society (APS)

    Keisuke Shigemori

  31. About carbon reflectivity in the Mbar regime

    Article • Physica Scripta, May 2014, Institute of Physics Publishing

    Keisuke Shigemori

  32. Sound velocity and density measurements of liquid iron up to 800 GPa: A universal relation between Birch's law coefficients for solid and liquid metals

    Article • Earth and Planetary Science Letters, April 2014, Elsevier

    Keisuke Shigemori

  33. Measurement of heating laser injection time in a fast-ignition experiment

    Article • Plasma Physics and Controlled Fusion, March 2014, Institute of Physics Publishing

    Keisuke Shigemori

  34. Production of sulphate-rich vapour during the Chicxulub impact and implications for ocean acidification

    Article • Nature Geoscience, March 2014, Springer Science + Business Media

    Keisuke Shigemori

  35. Present status of fast ignition realization experiment and inertial fusion energy development

    Article • Nuclear Fusion, September 2013, Institute of Physics Publishing

    Keisuke Shigemori

  36. Advances in the investigation of shock-induced reflectivity of porous carbon

    Article • Laser and Particle Beams, July 2013, Cambridge University Press

    dimitri batani, Keisuke Shigemori

  37. Extremely high-pressure generation and compression with laser implosion plasmas

    Article • Applied Physics Letters, May 2013, American Institute of Physics

    Keisuke Shigemori

  38. Kilotesla Magnetic Field due to a Capacitor-Coil Target Driven by High Power Laser

    Article • Scientific Reports, January 2013, Springer Science + Business Media

    Keisuke Shigemori

  39. High-resolution X-ray imaging in fast ignition experiment using Gekko and LFEX lasers

    Article • EPJ Web of Conferences, January 2013, EDP Sciences

    Keisuke Shigemori

  40. Implosion and heating experiments of fast ignition targets by Gekko-XII and LFEX lasers

    Article • EPJ Web of Conferences, January 2013, EDP Sciences

    Keisuke Shigemori

  41. Flyer acceleration experiments using high-power laser

    Article • EPJ Web of Conferences, January 2013, EDP Sciences

    Keisuke Shigemori

  42. High-energy-density plasmas generation on GEKKO-LFEX laser facility for fast-ignition laser fusion studies and laboratory astrophysics

    Article • Plasma Physics and Controlled Fusion, November 2012, Institute of Physics Publishing

    Keisuke Shigemori

  43. Integrated experiments of fast ignition targets by Gekko-XII and LFEX lasers

    Article • High Energy Density Physics, September 2012, Elsevier

    Keisuke Shigemori

  44. Sound velocity measurements by x-ray shadowgraph technique for melting phenomena at ultrahigh-pressure regime

    Article • Review of Scientific Instruments, August 2012, American Institute of Physics

    Keisuke Shigemori

  45. Shock‐induced silicate vaporization: The role of electrons

    Article • Journal of Geophysical Research Atmospheres, April 2012, American Geophysical Union (AGU)

    Keisuke Shigemori

  46. Direct measurement of chemical composition of SOx in impact vapor using a laser gun

    Article • January 2012, American Institute of Physics

    Keisuke Shigemori

  47. Time-resolved spectroscopic observations of shockinduced silicate ionization

    Article • January 2012, American Institute of Physics

    Keisuke Shigemori

  48. Flyer acceleration by high-power laser and impact experiments at velocities higher than 10 km/s

    Article • January 2012, American Institute of Physics

    Keisuke Shigemori

  49. Fast ignition integrated experiments with Gekko and LFEX lasers

    Article • Plasma Physics and Controlled Fusion, November 2011, Institute of Physics Publishing

    Keisuke Shigemori

  50. Investigation of carbon in megabar regime

    Article • Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment, October 2011, Elsevier

    Keisuke Shigemori

  51. Present states and future prospect of fast ignition realization experiment (FIREX) with Gekko and LFEX Lasers at ILE

    Article • Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment, October 2011, Elsevier

    Keisuke Shigemori

  52. Progress of impact ignition

    Article • August 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Keisuke Shigemori

  53. SILICATE DUST SIZE DISTRIBUTION FROM HYPERVELOCITY COLLISIONS: IMPLICATIONS FOR DUST PRODUCTION IN DEBRIS DISKS

    Article • The Astrophysical Journal Letters, May 2011, American Astronomical Society

    Keisuke Shigemori

  54. Laser-shock compression and Hugoniot measurements of liquid hydrogen to 55 GPa

    Article • Physical Review B, February 2011, American Physical Society (APS)

    Keisuke Shigemori

  55. Sound Velocity Measurement of Pure Iron under Earth's Core Conditions Using Dynamic Compression

    Article • The Review of High Pressure Science and Technology, January 2011, The Japan Society of High Pressure Science and Technology

    Keisuke Shigemori

  56. In‐situ spectroscopic observations of silicate vaporization due to >10 km/s impacts using laser driven projectiles

    Article • Geophysical Research Letters, December 2010, American Geophysical Union (AGU)

    Keisuke Shigemori

  57. Temperature measurements of electrostatic shocks in laser-produced counter-streaming plasmas

    Article • Astrophysics and Space Science, November 2010, Springer Science + Business Media

    Keisuke Shigemori

  58. Experimental investigation to demonstrate Impact Fast Ignition scheme

    Article • Journal of Physics Conference Series, August 2010, Institute of Physics Publishing

    Keisuke Shigemori

  59. Hugoniot and temperature measurements of liquid hydrogen by laser-shock compression

    Article • Journal of Physics Conference Series, August 2010, Institute of Physics Publishing

    Keisuke Shigemori

  60. Implosion hydrodynamics and heating synchronization measurement using X-ray framing cameras

    Article • Journal of Physics Conference Series, August 2010, Institute of Physics Publishing

    Keisuke Shigemori

  61. Observation of Complex Optical Processes in ZnSe under Extreme Optical Excitation from a Kilojoule-Class Nd:Glass Laser

    Article • Japanese Journal of Applied Physics, June 2010, Institute of Physics Publishing

    Keisuke Shigemori

  62. Measurement of preheating due to radiation and nonlocal electron heat transport in laser-irradiated targets

    Article • Physics of Plasmas, March 2010, American Institute of Physics

    Keisuke Shigemori

  63. Present status and future prospect of Fast Ignition Realization Experiment (FIREX) Project at ILE, Osaka

    Article • January 2010, American Institute of Physics

    Keisuke Shigemori

  64. Plasma physics and laser development for the Fast-Ignition Realization Experiment (FIREX) Project

    Article • Nuclear Fusion, September 2009, Institute of Physics Publishing

    Keisuke Shigemori

  65. Experimental Evidence of Impact Ignition: 100-Fold Increase of Neutron Yield by Impactor Collision

    Article • Physical Review Letters, June 2009, American Physical Society (APS)

    Keisuke Shigemori

  66. Shock Hugoniot and temperature data for polystyrene obtained with quartz standard

    Article • Physics of Plasmas, June 2009, American Institute of Physics

    Keisuke Shigemori

  67. WIDE ANGLE X-RAY DIFFRACTION FOR SHOCKED PERICLASE

    Article • January 2009, American Institute of Physics

    Keisuke Shigemori

  68. IMPACT EXPERIMENTS WITH PROJECTILES AT VELOCITIES HIGHER THAN 10 KM∕S

    Article • January 2009, American Institute of Physics

    Keisuke Shigemori

  69. Laser-Shock Compression of Liquid Hydrogen and Interior Structure of Jupiter

    Article • The Review of High Pressure Science and Technology, January 2009, The Japan Society of High Pressure Science and Technology

    Keisuke Shigemori

  70. Simultaneous measurement of imploded core and heating laser injection by using x-ray framing camera

    Article • November 2008, SPIE

    Keisuke Shigemori

  71. High-Mach number collisionless shock and photo-ionized non-LTE plasma for laboratory astrophysics with intense lasers

    Article • Plasma Physics and Controlled Fusion, November 2008, Institute of Physics Publishing

    Keisuke Shigemori

  72. Measurement of heating laser injection time to imploded core plasma by using x-ray framing camera

    Article • Review of Scientific Instruments, October 2008, American Institute of Physics

    Keisuke Shigemori

  73. Streaked x-ray backlighting with twin-slit imager for study of density profile and trajectory of low-density foam target filled with deuterium liquid

    Article • Review of Scientific Instruments, October 2008, American Institute of Physics

    Keisuke Shigemori

  74. Rayleigh–Taylor instability growth on low-density foam targets

    Article • Physics of Plasmas, September 2008, American Institute of Physics

    Keisuke Shigemori

  75. Fabrication and characterization of planar cryogenic targets for GEKKO-XII

    Article • Journal of Physics Conference Series, May 2008, Institute of Physics Publishing

    Keisuke Shigemori

  76. Impact vaporization of rocks using a high-power laser

    Article • Journal of Physics Conference Series, May 2008, Institute of Physics Publishing

    Keisuke Shigemori

  77. Laboratory experiments to study astrophysical shock and jets

    Article • Journal of Physics Conference Series, May 2008, Institute of Physics Publishing

    Keisuke Shigemori

  78. Measurement of PW laser injection time to imploded core plasma by using X-ray framing camera

    Article • Journal of Physics Conference Series, May 2008, Institute of Physics Publishing

    Keisuke Shigemori

  79. Multiple shock compression of diamond foils with a shaped laser pulse over 1 TPa

    Article • Journal of Physics Conference Series, May 2008, Institute of Physics Publishing

    Keisuke Shigemori

  80. Neutron generation from impact fast ignition

    Article • Journal of Physics Conference Series, May 2008, Institute of Physics Publishing

    Keisuke Shigemori

  81. Non-dimensional scaling of impact fast ignition experiments

    Article • Journal of Physics Conference Series, May 2008, Institute of Physics Publishing

    Keisuke Shigemori

  82. Observation of the non-local electron transport effect by using phase zone plate

    Article • Journal of Physics Conference Series, May 2008, Institute of Physics Publishing

    Keisuke Shigemori

  83. Temperature measurement of preheated planar-cryogenic targets

    Article • Journal of Physics Conference Series, May 2008, Institute of Physics Publishing

    Keisuke Shigemori

  84. e-Science in high energy density science research

    Article • Fusion Engineering and Design, April 2008, Elsevier

    Keisuke Shigemori

  85. Measurements of sound velocity of laser-irradiated iron foils relevant to Earth core condition

    Article • The European Physical Journal D, April 2007, Springer Science + Business Media

    Keisuke Shigemori

  86. Comprehensive Diagnosis of Growth Rates of the Ablative Rayleigh-Taylor Instability

    Article • Physical Review Letters, January 2007, American Physical Society (APS)

    Keisuke Shigemori

  87. Hugoniot measurement of diamond under laser shock compression up to 2TPa

    Article • Physics of Plasmas, May 2006, American Institute of Physics

    Keisuke Shigemori

  88. Towards Metallization of Carbon by Strong Shock Compression with Intense Laser

    Article • The Review of High Pressure Science and Technology, January 2006, The Japan Society of High Pressure Science and Technology

    Keisuke Shigemori

  89. Equation-of-state measurements for polystyrene at multi-TPa pressures in laser direct-drive experiments

    Article • Physics of Plasmas, December 2005, American Institute of Physics

    Keisuke Shigemori

  90. Opacity Effect on Extreme Ultraviolet Radiation from Laser-Produced Tin Plasmas

    Article • Physical Review Letters, November 2005, American Physical Society (APS)

    Keisuke Shigemori

  91. Towards realization of hyper-velocities for impact fast ignition

    Article • Plasma Physics and Controlled Fusion, November 2005, Institute of Physics Publishing

    Keisuke Shigemori

  92. Characterization of extreme ultraviolet emission from laser-produced spherical tin plasma generated with multiple laser beams

    Article • Applied Physics Letters, January 2005, American Institute of Physics

    Keisuke Shigemori

  93. Fast plasma heating in a cone-attached geometry—towards fusion ignition

    Article • Nuclear Fusion, November 2004, Institute of Physics Publishing

    Keisuke Shigemori

  94. Experimental study on ablative stabilization of Rayleigh-Taylor instability of laser-irradiated targets

    Article • September 2004, SPIE

    Keisuke Shigemori

  95. Dependence of EUV emission properties on laser wavelength

    Article • September 2004, SPIE

    Keisuke Shigemori

  96. Estimation of emission efficiency for laser-produced EUV plasmas

    Article • May 2004, SPIE

    Keisuke Shigemori

  97. Experimental study on basic properties of laser-produced EUV plasmas on GEKKO-XII laser facility

    Article • May 2004, SPIE

    Keisuke Shigemori

  98. Properties of EUV emissions from laser-produced tin plasmas

    Article • May 2004, SPIE

    Keisuke Shigemori

  99. Suppression of the Rayleigh-Taylor Instability due to Self-Radiation in a Multiablation Target

    Article • Physical Review Letters, May 2004, American Physical Society (APS)

    Keisuke Shigemori

  100. Suppression of Rayleigh–Taylor instability due to radiative ablation in brominated plastic targets

    Article • Physics of Plasmas, May 2004, American Institute of Physics

    Keisuke Shigemori

  101. Prepulse-Free Petawatt Laser for a Fast Ignitor

    Article • IEEE Journal of Quantum Electronics, March 2004, Institute of Electrical & Electronics Engineers (IEEE)

    Keisuke Shigemori

  102. Study on EUV emission properties of laser-produced plasma at ILE, Osaka

    Article • January 2004, SPIE

    Keisuke Shigemori

  103. First observation of density profile in directly laser-driven polystyrene targets for ablative Rayleigh–Taylor instability research

    Article • Physics of Plasmas, December 2003, American Institute of Physics

    Keisuke Shigemori

  104. X-ray imaging diagnostics for laser-driven hydrodynamic instability experiments

    Article • Review of Scientific Instruments, March 2003, American Institute of Physics

    Keisuke Shigemori

  105. Fast heating scalable to laser fusion ignition

    Article • Nature, August 2002, Springer Science + Business Media

    Keisuke Shigemori

  106. Penumbral imaging for measurement of the ablation density in laser-driven targets

    Article • Review of Scientific Instruments, July 2002, American Institute of Physics

    Keisuke Shigemori

  107. Single spatial mode experiments on initial laser imprint on direct-driven planar targets

    Article • Physics of Plasmas, May 2002, American Institute of Physics

    Keisuke Shigemori

  108. Perturbation transfer from the front to rear surface of laser-irradiated targets

    Article • April 2002, American Physical Society (APS)

    Prof. Takuma Endo, Keisuke Shigemori

  109. Fast heating of ultrahigh-density plasma as a step towards laser fusion ignition

    Article • Nature, August 2001, Springer Science + Business Media

    Keisuke Shigemori

  110. Feed-out of Rear Surface Perturbation due to Rarefaction Wave in Laser-Irradiated Targets

    Article • Physical Review Letters, June 2000, American Physical Society (APS)

    Keisuke Shigemori

  111. Indirect-direct hybrid target experiments with the GEKKO XII laser

    Article • Nuclear Fusion, March 2000, Institute of Physics Publishing

    Keisuke Shigemori

  112. Moiré interferometry of short wavelength Rayleigh–Taylor growth

    Article • Review of Scientific Instruments, January 1999, American Institute of Physics

    Keisuke Shigemori

  113. Shigemorietal.Reply:

    Article • Physical Review Letters, April 1998, American Physical Society (APS)

    Keisuke Shigemori

  114. Measurements of Rayleigh-Taylor Growth Rate of Planar Targets Irradiated Directly by Partially Coherent Light

    Article • Physical Review Letters, January 1997, American Physical Society (APS)

    Keisuke Shigemori

  115. Recent progress of implosion experiments with uniformity-improved GEKKO XII laser facility at the Institute of Laser Engineering, Osaka University

    Article • Physics of Plasmas, May 1996, American Institute of Physics

    Keisuke Shigemori

  116. Dynamic Behavior of Rippled Shock Waves and Subsequently Induced Areal-Density-Perturbation Growth in Laser-Irradiated Foils

    Article • Physical Review Letters, October 1995, American Physical Society (APS)

    Prof. Takuma Endo, Keisuke Shigemori

  117. Experimental observation of transmission- and self-emission-type radiation transport in x-ray-produced plasmas

    Article • March 1994, American Physical Society (APS)

    Prof. Takuma Endo, Keisuke Shigemori