Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Yuki Kabeya"'
Autor:
Takeshi Watari, Yuta Kine, Masahiko Mitsubayashi, Yuki Kabeya, Takashi Kurita, Ryo Yoshimura, Katsuya Hirano, Toshiyuki Kawashima
Publikováno v:
Results in Optics, Vol 15, Iss , Pp 100658- (2024)
The effect of laser peening-induced compressive residual stress on the fatigue strength improvement of A7075 specimens was investigated. Rotary bending fatigue tests and residual stress distribution measurements using the sequential polishing method
Externí odkaz:
https://doaj.org/article/d2b3fac9afe24fd89431a99b008392ce
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:
Masateru Kurata, Takashi Kurita, Kazuki Kawai, Takashi Sekine, Yuki Muramatsu, Yuki Kabeya, Yuma Hatano, Takuto Iguchi, Yasuki Takeuchi, Shigeki Tokita, Yoshinori Kato, Takaaki Morita, Yoshinori Tamaoki, Junji Kawanaka
Publikováno v:
Laser Congress 2019 (ASSL, LAC, LS&C).
A 100 J class diode-pumped solid-state laser system has been developed as a platform for acceleration of laser processing application. A 117 J output of pulse energy has been demonstrated with the main amplifier.
Autor:
Yoshio Mizuta, Norimasa Ozaki, Takeshi Watari, Takashi Kurita, Kohei Miyanishi, Yoichiro Hironaka, Keisuke Shigemori, Yuki Kabeya, Ryunosuke Kuroda, Takeshi Matsuoka, Ryosuke Kodama, Eisuke Miura
Publikováno v:
High Energy Density Physics. 37:100864
In recent years, laser peening technique has been used for the purpose of improving the fatigue strength of metal materials. However, the compressive residual stress field created by laser peening has characteristic differences in the stress value an
Autor:
Yuki Muramatsu, Masateru Kurata, Takuto Iguchi, Yasuki Takeuchi, Eisuke Miura, Shigeki Tokita, Yoshinori Tamaoki, Yoshinori Kato, Takaaki Morita, Keisuke Shigemori, Takashi Sekine, Norio Kurita, Yoshio Mizuta, Yuma Hatano, Yujin Zheng, Ryunosuke Kuroda, Ryosuke Kodama, Toshiyuki Kawashima, Junji Kawanaka, Takeshi Watari, Takashi Suzuki, Takashi Kurita, Yoshimura Ryo, Yuki Kabeya, Kazuki Kawai, Norimasa Ozaki, Yoichiro Hironaka
Publikováno v:
High Energy Density Physics. 36:100800
We demonstrated 117-J laser output in a nanosecond regime with a diode-pumped Yb:YAG ceramic laser amplifier. The repetition rate was 0.05 Hz, and the pulse duration was around 40 ns. 5-J input energy was amplified by two cryogenically cooled Yb:YAG
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:
Yoshinori Kato, Takashi Sekine, Yuki Muramatsu, Yoshio Mizuta, Yoshinori Tamaoki, Yuki Kabeya, Yasuki Takeuchi, Takashi Kurita, Yuma Hatano
Publikováno v:
Lasers Congress 2016 (ASSL, LSC, LAC).