Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Takehiro Oishi"'
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 7, Iss 1, Pp 52-64 (2013)
The purpose of this study was to investigate vibrations suppression control methods of image transfer belt system which is widely applied in image formation procedure of printers and copy machines. The study focused on vibrations caused by loading to
Externí odkaz:
https://doaj.org/article/41b3d614962d4fe4a02c6bbb6f1ed7d2
Autor:
Kunio Yoshida, Takayuki Funatsu, Takagimi Yanagidani, Kiyoshi Kato, Manabu Ishioka, Yoshiaki Okamoto, Takehiro Oishi, Takashi Yabe, Tomomasa Ohkubo, Yuji Sato, Shigeaki Uchida, Kazuya Daito, Norihito Yasunaga, Behgol Bagheri, Choijil Baasandash
Publikováno v:
The Review of Laser Engineering. 37:131-138
Autor:
Shinji Motokoshi, Kouichirou Kido, Takayuki Funatsu, Norihito Yasunaga, Tomomasa Ohkubo, Yuji Sato, Takehiro Oishi, Kunio Yoshida, Minoru Yoshida, Sigeaki Uchida, Manabu Ishioka, Takagimi Yanagidani, Kiyoshi Kato, Yuichirou Nakayama, Behgol Bagheri, Choijil Baasandash, Takashi Yabe, Yoshiaki Okamoto, Masahiro Nakatsuka, Kazuya Daito
Publikováno v:
The Review of Laser Engineering. 36:1153-1156
A new type of solar pumped laser system that has features of high-efficiency and low cost due to the use of a Fresnel lens and a Cr codoped Nd:YAG ceramic laser medium is reported in this paper. Slope efficiencies of 7 to 9% have been achieved. The l
Autor:
Manabu Ishioka, Behgol Bagheri, Choijil Baasandash, Shigeaki Uchida, Yuichirou Nakayama, Tomomasa Ohkubo, Kiyoshi Kato, Yoshiaki Okamoto, Norihito Yasunaga, Takayuki Funatsu, Takagimi Yanagitani, Yuji Sato, Takashi Yabe, Kazuya Daito, Kunio Yoshida, Kouichirou Kido, Takehiro Oishi
Publikováno v:
Optics Letters. 34:175
A solar-pumped 100 W class laser that features high efficiency and low cost owing to the use of a Fresnel lens and a chromium codoped neodymium YAG ceramic laser medium was developed. A laser output of about 80 W was achieved with combination of a 4
Autor:
Tomomasa Ohkubo, Kazuya Daito, Takehiro Oishi, K. Yanagitani, Kunio Yoshida, Takashi Yabe, Behgol Bagheri, Takayuki Funatsu, Choijil Baasandash, Norihito Yasunaga, Shigeaki Uchida, Manabu Ishioka, Y. Okamoto, Yuji Sato
Publikováno v:
Journal of Applied Physics. 104:083104
A solar pumped laser system with 7%–9% slope efficiencies has been developed. A Fresnel lens (2×2 m, f=2000 mm) is mounted on a two-axis sun tracker platform and focuses solar radiation toward laser cavity, which embraces Cr:Nd:yttrium aluminum ga
Autor:
M. Yoshida, A. Oyama, Yuji Sato, S Motokoshi, K. Yoshida, Y. Okamoto, Tomomasa Ohkubo, Masashi Nakatsuka, N Nakayama, A. Mabuti, Behgol Bagheri, Choijil Baasandash, Kazuya Daito, K Yanagaidani, Takehiro Oishi, Takashi Yabe, K. Nakagawa, Takayuki Funatsu, Shigeaki Uchida
Publikováno v:
Journal of Physics: Conference Series. 112:042072
24.4 W of laser output has been obtained by sun-pumped, Cr-codoped Nd:yttrium aluminum garnet ceramic. The water-cooled laser rod was pumped with a Fresnel lens focusing the natural sunlight. By using the advantages of the Fresnel lenses, the maximum
Autor:
A. Mabuti, Takehiro Oishi, K. Yoshida, Kazuya Daito, Takashi Yabe, K. Nakagawa, Shigeaki Uchida, Choijil Baasandash, Shinji Motokoshi, M. Yoshida, Takayuki Funatsu, Y. Nakayama, B. Behgol, A. Oyama, Masahiro Nakatsuka, T. Ohkubo, Yuji Sato
Publikováno v:
Applied Physics Letters. 90:261120
The authors achieved 11%–14% slope efficiency of solar-pumped laser by Cr-codoped Nd:yttrium aluminum garnet ceramic and Fresnel lens focusing from natural sunlight. The laser output of 24.4 W was achieved with 1.3 m2 Fresnel lens. The maximum outp