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Particle Beam Science
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Prof NODA, Akira (D Sc)
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Creation of high quality novel beam and its application is the scope of our research. Creation of ultra-low temperature beam, realization of high efficiency beam acceleration with laser-plasma interaction, neutron beam focusing and final focusing scheme of linear collider with super-strong permanent magnets and so on, are now under investigation.
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At S-LSR, 3 dimensional laser cooling of 40 keV 24Mg+ ion beam has been investigated with the use of "Synchro-Betatron Resonance" based on the success of 1 dimensional ordering of 7 MeV proton beam by an electron beam cooling. We have already detected indication of momentum transfer between the longitudinal and horizontal directions as shown in the figure. |
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Laser Matter Interaction Science
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| Prof SAKABE, Shuji (D Eng) |
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Ultra-intense and ultra-short pulse laser-matter interactions and their applications are studied. The physics of laser produced radiation and its application on analytical science are investigated. Using laser produced plasma electrons, ultrafast electron diffraction is developed. The interactions of femtosecond laser pulses with surface plasmas are studied to interpret the physics of laser nano-ablation, self-organization of periodic structures on surfaces, phase transition and so on, and the new material science of laser nano processing and material reforming is developed.
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Ultra intense femtosecond laser system T6-laser. |
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The power amplifer.
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Electron Microscopy and Crystal Chemistry
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| Prof KURATA, Hiroki (D Sc) |
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Direct imaging of structural arrangement of atoms or molecules by high-resolution electron microscopy and scanning probe microscopy is utilized to investigate the structure of interface in thin films, surface chemical reactions and the formation of nanomaterials. The local electronic structure analysis and elemental mapping are also performed to explore chemical information by measuring the energy of inelastically scattered electrons.
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Structural Molecular Biology
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Prof HATA, Yasuo (D Sc)
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In the laboratory, we analyze the electron density distribution in the crystal of protein and the electron state of atoms or molecules in the inorganic solide, which are obtained from diffraction images and spectra observed by X-ray irradiation to these substances, respectively, to study relationships between their structures and functions or physical properties. Our main thema are structure determination of novel protein molecules and their complexes, studies on structure basis of their functions, physical properties and intermolecular interactions, experimental and theoretical studies on natural width of elements in inorganic materials by high-resolution, and development of detectors for soft X-ray.
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