Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Koichi IYAMA"'
Autor:
Kazuki Kawai, Yoshio Mizuta, Y. Hatano, Yuki Muramatsu, T. Sekine, Yasuki Takeuchi, Koichi Iyama, T. Kurita, Yoshinori Tamaoki, Takuto Iguchi, Shigeki Tokita, Yoshinori Kato, Takaaki Morita, J. Kawanaka, Yuki Kabeya, Masateru Kurata
Publikováno v:
Solid State Lasers XXVIII: Technology and Devices.
A 11.5 J at 40 ns output has been obtained from a diode-pumped cryo-cooled Yb:YAG ceramics active-mirror laser amplifier system. The system consists of two amplifier heads which has four Yb:YAG ceramic disks and two pump LD modules. The Yb:YAG cerami
Autor:
Norio Kurita, Takaaki Morita, Yasuki Takeuchi, Koichi Iyama, Toshiyuki Kawashima, Takashi Kurita, Kazuki Kawai, Yoshinori Kato, Takashi Sekine, Yoshinori Tamaoki, Takuto Iguchi
Publikováno v:
Solid State Lasers XXVIII: Technology and Devices.
Autor:
Yujin Zheng, Kazuki Kawai, Takashi Sekine, Yoshinori Kato, Takaaki Morita, Yasuki Takeuchi, Yoshio Mizuta, Yoshinori Tamaoki, T. Kurita, Yuki Muramatsu, Koichi Iyama, Yuki Kabeya, Masateru Kurata, Y. Hatano, Takuto Iguchi
Publikováno v:
Laser Congress 2017 (ASSL, LAC).
Autor:
Yoshinori Tamaoki, Takuto Iguchi, Yuki Muramatsu, Masateru Kurata, Koichi Iyama, Yasuki Takeuchi, Takashi Sekine, Yoshio Mizuta, Yujin Zheng, T. Kurita, Y. Hatano, Yuki Kabeya, Yoshinori Kato, Takaaki Morita, Kazuki Kawai
Publikováno v:
Conference on Lasers and Electro-Optics.
A 64J at 10 ns output was demonstrated by diode-pumped cryogenically cooled Yb:YAG ceramic laser amplifier. An extraction efficiency was evaluated 43.3% at stored energy of 148J with small-signal-gain of 20.4.
Autor:
Masateru Kurata, Yuki Muramatsu, Koichi Iyama, Takashi Sekine, Kazuki Kawai, Yasuki Takeuchi, Yujin Zheng, Takuto Iguchi, Yoshinori Kato, Takaaki Morita, Y. Hatano, Yuki Kabeya, Yoshio Mizuta, Yoshinori Tamaoki, T. Kurita
Publikováno v:
Laser Congress 2017 (ASSL, LAC).
A compact 40kW at 10Hz output LD module has been developed for cryogenically cooled Yb:YAG ceramics active-mirror laser amplifiers for 10J at 10Hz output laser system. Pumping intensity is 2.5kW/cm2 and footprint of the LD module is 18cm × 77cm.
Autor:
Koichi Iyama, Junji Kawanaka, Shigeki Tokita, Martin Divoky, SungIn Hwang, Hajime Nishioka, Toshiyuki Kawashima
Publikováno v:
2015 11th Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR).
We report on our progress in the development of a 1 J-class Yb:YAG laser system with a repetition rate of 100 Hz for OPCPA pumping. We have demonstrated amplification of 10 ns pulses to 1 J at 100 Hz by using a multi-TRAM.
Autor:
Shinichi MATSUOKA, Takehiro YOSHII, Masatoshi SATO, Fumihiko NAKANO, Yoshimori TAMAOKI, You WANG, Yoshinori KATO, Koichi IYAMA, Minoru NISHIHATA, Hirofumi KAN, Sadao NAKAI
Publikováno v:
The Review of Laser Engineering. 34:610-615
Publikováno v:
SPIE Proceedings.
We have developed high average power MOPA laser system with SHG unit on the table top size (3 × 1.5m). At the wavelength 1064nm has been obtained the max average output power of 715W. We have achieved the average power 180W at the wavelength 532nm,
Autor:
Masahiro Miyamoto, Masahiro Nakatsuka, Junji Kawanaka, Takayoshi Norimatsu, Hiroyuki Furukawa, T. Kawashima, Tadashi Ikegawa, Koichi Iyama, Takashi Sekine, O. Matsumoto, T. Kurita, Ryo Yasuhara, Y. Izawa, Yutaka Tsuchiya
Publikováno v:
2005 Pacific Rim Conference on Lasers & Electro-Optics.
20-J pulse energy in 10 ns at 10 Hz thermally controlled zig-zag slab laser based on the scaling law up to 100 J is being demonstrated by 800-kW peak pump power from 8,000 diode bars.
Autor:
Minoru Nishihata, Yoshinori Tamaoki, Koichi Iyama, You Wang, Yoshinori Kato, Masatoshi Sato, F. Nakano, Takehiro Yoshii, Sadao Nakai, Shinichi Matsuoka, Hirofumi Kan
Publikováno v:
The Review of Laser Engineering. 34:32-33