Zobrazeno 1 - 10 of 110 pro vyhledávání: '"Haruhiko Himura"'
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Akademický článek
Clear imaging of ion cloud rotation using a combination of a thin metal wire, a micro-channel plate attached to a phosphor screen, and a high-speed camera
Autor: Yutaro Nakajima, Haruhiko Himura, Toshikazu Okada
Publikováno v: AIP Advances, Vol 12, Iss 4, Pp 045015-045015-4 (2022)
To obtain the radial profile of the ion velocity ui(r) of a pure ion cloud, for the first time, we successfully captured images of the shadow of a thin rotating metal wire by scanning the pure ion cloud using a combination of a micro-channel plate at
Externí odkaz: https://doaj.org/article/63feb665f152484ba5ab7309f363968f
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5
Counter differential rigid-rotation equilibrium of electrically non-neutral two-fluid plasma with finite pressure
Autor: Y. Nakajima, Akio Sanpei, Haruhiko Himura
Publikováno v: Journal of Plasma Physics. 87
We derive the two-dimensional counter-differential rotation equilibria of two-component plasmas, composed of both ion and electron ( $e^-$ ) clouds with finite temperatures, for the first time. In the equilibrium found in this study, as the density o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fdec8d163965e201699f7a503fba4c98
https://doi.org/10.1017/s0022377821000854
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6
First Observation of Crystallike Configuration of Microorganisms in an RF Plasma
Autor: Yasuaki Hayashi, Mai Sampei, Sadao Masamune, Tomohito Kigami, Haruhiko Himura, Akio Sanpei
Publikováno v: IEEE Transactions on Plasma Science. 47:3074-3078
A crystallike structure was successfully formed as a result of the levitation of a kind of bacillus microorganisms $Klebsiella ~pneumoniae$ in a radio frequency (RF) plasma. The crystallike structure was confirmed to be hexagonal from top-view photog
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5313c12ad21e03c2bbaf5eb59c4c86d0
https://doi.org/10.1109/tps.2019.2916422
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7
Multiple-pinhole camera for monitoring three-dimensional plasma shape
Autor: Shinichiro Inagaki, Akio Sanpei, Haruhiko Himura
Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 1036:166857
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c68a49b917a8e6fc871b737e8add802
https://doi.org/10.1016/j.nima.2022.166857
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8
Simulations of novel compact separator for extracting specific reactive ions from large plasma source
Autor: Takashi Kanki, Haruhiko Himura
Publikováno v: Japanese Journal of Applied Physics. 61:SI1004
A new remote dry processing with a focusing and deflection system is proposed to accurately control the energy, flux, and arrival position of reactive particle species on the nanoscale. The trajectory simulations of the negative ion extraction and tr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::83e87b2e6602dc8701581674ebfafc88
https://doi.org/10.35848/1347-4065/ac5a98
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10
Three-dimensional imaging diagnostics for plasmas with integral photography and deconvolution techniques
Autor: Sadao Masamune, Akio Sanpei, Yasuaki Hayashi, Eisaku Kai, S. Ohdachi, Haruhiko Himura, Kazunobu Nagasaki
Publikováno v: Imaging and Applied Optics Congress.
An integral photography and deconvolution techniques have been applied to observe plasmas, i.e. continuous translucent luminous objects. We experimentally succeeded in distinguishing the three-dimensional distribution of them from a single-exposure i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aeb08e5ba1f26fd556a29add518d0219
https://doi.org/10.1364/3d.2020.dw3a.1
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