Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Shunichi Kawanishi"'
Autor:
Paul R. Bolton, Mamiko Nishiuchi, T. Maeda, Kotaro Kondo, Akito Sagisaka, Shunichi Kawanishi, Masakatsu Murakami, Akifumi Yogo, Koichi Ogura, Toshihiko Hori, Hironao Sakaki
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 653:189-192
We report the development of a laser-driven quasi-monoenergetic proton beamline for the purpose of cell samples irradiation. Laser pulses are focused to an intensity of 5 × 10 19 W / cm 2 onto a polyimide foil target of 7.5 − μ m thickness. The e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d41461af6e8753c3584d08c70c00907
https://doi.org/10.1016/j.nima.2010.12.016
https://doi.org/10.1016/j.nima.2010.12.016
Autor:
Kotaro Kondo, T. Yoshii, Shunichi Kawanishi, Shinichi Matsuoka, Masatoshi Sato, H. Kan, Paul R. Bolton, Izuru Daito, Hajime Okada, Akira Sugiyama, Hiromitsu Kiriyama, Yoshihiro Ochi, Yoshinori Tamaoki, J. Maeda, Masayuki Suzuki
Publikováno v:
Applied Physics B. 105:181-184
The authors have demonstrated an optical parametric chirped-pulse amplification (OPCPA)/Yb:YAG ceramic thin disk hybrid laser system having hundred mJ level pulse energy sub-picosecond pulse duration with high temporal contrast. At an input chirped-p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b36c2526e0787bcfef93eebb0b6b3e39
https://doi.org/10.1007/s00340-011-4752-4
https://doi.org/10.1007/s00340-011-4752-4
Autor:
Hiroyuki Daido, Shinichi Matsuoka, Hajime Okada, Hiromitsu Kiriyama, T. Yoshii, Shunichi Kawanishi, Yoshinori Tamaoki, J. Maeda, S. Orimo, Masayuki Suzuki, H. Kan, Paul R. Bolton, Izuru Daito, Yoshiki Nakai, Masatoshi Sato
Publikováno v:
Applied Physics B. 97:379-382
We report the highest energy broadband laser pulses at a center wavelength of 1030 nm based on optical parametric chirped-pulse amplification (OPCPA). We have demonstrated amplification of 1030 nm femtosecond laser pulses from a broadband Yb oscillat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71d3535ba9e081c0b3e708c5d12a31b1
https://doi.org/10.1007/s00340-009-3741-3
https://doi.org/10.1007/s00340-009-3741-3
Autor:
Yoshiki Miyamoto, Atsushi Yokoyama, Sugimoto Shunichi, Shigeyoshi Arai, Shunichi Kawanishi, Hironori Ohba, Akio Ohya, Takeshi Ishii, Shohei Isomura, Takemasa Shibata
Publikováno v:
Journal of Nuclear Science and Technology. 39:457-462
High enrichment of 28Si has been carried out using the laser isotope separation technique based on the isotopically selective infrared multiple photon decomposition of Si2F6. When about 2 Torr of Si2F6 was irradiated at a fluence of 1.0 J/cm2 per pul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17367c063a238151ffb7931e8d397365
https://doi.org/10.1080/18811248.2002.9715223
https://doi.org/10.1080/18811248.2002.9715223
Autor:
Yoshio Kagebayashi, Hiroyuki Daido, Masayuki Suzuki, Izuru Daito, Hajime Okada, Yoshiki Nakai, Hiromitsu Kiriyama, Paul R. Bolton, Shunichi Kawanishi, Toshio Yokota
Publikováno v:
Optics Communications. 283:451-453
We have demonstrated efficient frequency doubling of high-energy fundamental Nd:YAG laser pulse energy of the multi-joule (J) level at a high repetition rate using high optical-quality top-seeded solution growth CsB3O5(TSSG-CBO) crystal for the first
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04bd1d157c2d05ca846b0e69d020368a
https://doi.org/10.1016/j.optcom.2009.10.015
https://doi.org/10.1016/j.optcom.2009.10.015
Publikováno v:
Macromolecules. 33:2881-2886
KrF laser irradiation of thin films of poly(4-trimethylsilylmethylstyrene) (PTMSMS) under atmospheric conditions induced oxygenation at the film surface and cross-linking inside the film. The irradiated film surface became hydrophilic owing to the fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::973a6325b171793f899c28759c78009a
https://doi.org/10.1021/ma990948h
https://doi.org/10.1021/ma990948h
Autor:
H. Sasao, Momoko Tanaka, Hajime Okada, Hiromitsu Kiriyama, Yoshiki Nakai, Shunichi Kawanishi, Hiroyuki Daido, Yoshihiro Ochi, Paul R. Bolton
Publikováno v:
Optics Communications. 282:4401-4403
We have demonstrated that we can homogenize the spatial profile of a high-energy green laser pulse used for pumping a petawatt scale Ti:sapphire amplifier. The second harmonic of a high-energy, large aperture Nd:glass laser system generates laser emi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef9bf91dfa1ff657089f75fd660b0319
https://doi.org/10.1016/j.optcom.2009.07.064
https://doi.org/10.1016/j.optcom.2009.07.064
Autor:
H. Sasao, Hajime Okada, Hiroyuki Daido, Shuhei Kanazawa, Yoshihiro Ochi, Takuya Shimomura, Paul R. Bolton, Michiaki Mori, Shunichi Kawanishi, Momoko Tanaka, Hiromitsu Kiriyama, Yoshiki Nakai
Publikováno v:
The Review of Laser Engineering. 37:467-469
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81b663bd9c799a0d8b396ac520b09032
https://doi.org/10.2184/lsj.37.467
https://doi.org/10.2184/lsj.37.467
Publikováno v:
Applied Physics A: Materials Science & Processing. 69:S257-S261
Organic molecules adhered to the point of a micropipette were transferred onto the surface of a polymer film by pulsed laser light guided through a quartz optical fiber which was inserted into the micropipette. Controlled by a high-resolution piezoel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::40085d780ed984059b2d8e9e93786ff4
https://doi.org/10.1007/s003390051395
https://doi.org/10.1007/s003390051395
Autor:
Shunichi Kawanishi, Tamitake Itoh, Tsuyoshi Asahi, Hiroshi Fukumura, Koji Hatanaka, Hiroshi Masuhara, Nobuyuki Ichinose, Tsuneo Sasuga
Publikováno v:
The Journal of Physical Chemistry A. 103:11257-11263
A time-resolved absorption spectroscopic measurement of liquid toluene under femtosecond UV (300−500 fs, 248 nm) laser ablation conditions was carried out, and its molecular mechanism was studied. The lowest excited singlet state of toluene monomer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca48d07c7fb22c6d7ed112cc0d8a1a2c
https://doi.org/10.1021/jp992565r
https://doi.org/10.1021/jp992565r