2014 - 2017 Development of fiber laser that enables high-energy-efficiency and improvement of output power that mainly used domestic technology
2011 - 2013 Development of phase-coupled-fiber-laser contributing to saving resource and high-precision machining
2008 - 2010 Development of Laser Percussion for High Functional Medical Laser Equipment
2007 - パワー半導体デバイスの高速動作
2005 - Fast High Voltage Switch for E-O Modulator
2002 - フェムト秒レーザーと物質の相互作用
2002 - Interaction of femtosecond laser with materials
1998 - 1999 超薄壁厚レーザー核融合用プラスチック中空燃料容器の開発
1998 - 1999 Development of hybrid implant biomaterials by excimer laser irradiation and study on laser-tissue interaction mechanism
1995 - 1997 Development of Hollow Light Guide for Ultra-Violet Laser Power Transmission
1996 - 1996 慣性核融合用大型プラスチック燃料容器の開発
1995 - 1996 Development of functionality ceramics by excimer laser ablation method and excimer lamp irradiation method
1995 - 1995 燃料ガス貯蔵型レーザー核融合用高分子燃料容器の開発
超高速度カメラ照明用特殊ストロボの開発
レーザーピーニングの基礎研究
高出力固体レーザーの開発
Laser peening
Development of a high-power Solid State Laser
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Papers (72):
Tomohiro Shimotsuma, Akio Geshiro, Miho Tsuyama, Manabu Heya, Hitoshi Nakano. Double-pulse laser peening as a surface enhancement technology. Journal of Laser Applications. 2024. 36. 4
Yang Zhang, Takumi Besshi, Miho Tsuyama, Manabu Heya, Hitoshi Nakano. Pliable solid medium as a plasma confinement layer for laser peening. Journal of Laser Applications. 2023. 35. 1. 012014-012014
Tomoki Arita, Yuji Sato, Yoshiaki Kurita, Masami Mizutani, Hitoshi Nakano, Masahiro Tsukamoto. In situ observation of dynamics of keyhole and molten pool in laser welding for development of spatter suppression. Journal of Laser Applications. 2022. 34. 3. 032017-032017
T. Arita, Y. Kurita, M. Mizutani, Y. Sato, H. Nakano, M. Tsukamoto. Experimental study on mechanism of spatter generation in keyhole welding using 16kW disk laser. Proceeding of SPIE, Laser Applications in Microelectronic and Optoelectronic Manufacturing. 2022. 11988. 119880G
Miho Tsuyama, Yuki Sugimoto, Manabu Heya, Hitoshi Nakano. Laser Peening with Solid-State Medium Having High Acoustic Impedance as Plasma Confinement Layer. Journal of Laser Micro/Nanoengineering. 2021. 16. 3. 173-177
Yoshiaki Kurita, Tomoki Arita, Masami Mizutani, Yuji Sato, Hitoshi Nakano, Masahiro Tsukamoto. Observation of welding behavior for elucidation of spatter suppression mechanism in laser welding using a 16 kW disk laser. Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXVIII. 2023. 12408. 124080L
Takaya Nishi, Hitoshi Nakano, Masahiro Tsukamoto, Yuji Sato. Experimental Study on Pure Titanium Plate Fabricated by Sputter-Less Selective Laser Melting. Proc of ICALEO2018. 2018. paper#p117
Shuto Yamagata, Masahiro Tsukamoto, Yuji Sato, Shin-ichiro Masuno, Ritsuko Higashino, Nobuyuki Abe, Takaya Nishi, Hitoshi Nakano, Yorihiro Yamashita. Effect of Baseplate Temperature on Sputter-Generation for Development of SLM in Vacuum. 2017. paper#1102
Yuji Sato, Masahiro Tsukamoto, Shuto Yamagata, Ritsuko Higashino, Nobuyuki Abe, Takahisa Shobu, Takaya Nishi, Hitoshi Nakano, Yorihiro Yamashita, Tomomasa Ohkubo. Experimental Analysis on Melting and Solidification Process of Titanium with Synchrotron X-Ray for Development of Sputter-Less SLM. 2017. paper#102
Sato Yuji, Nakano Hitoshi, Masuno Shinichiro, Takahashi Kenjiro, Nakai Kazuki, Nariyama Tatsuya, Tsukamoto Masahiro. Experimental study of CFRP cutting with nanosecond lasers. Transactions of JWRI. 2013. 42. 1. 23-26
Effects of Multi-Spot Laser Peening on Stainless steel
(The 5th Smart Laser Processing Conference 2024 April 23-25, 2024, Yokohama, Japan 2024)
Nanosecond double-pulse laser irradiation for efficient laser peening
(The 5th Smart Laser Processing Conference 2024 April 23-25, 2024, Yokohama, Japan 2024)
Effect of laser peening on changed acoustic impedance of plasma confinement layer
(The 5th Smart Laser Processing Conference 2024 April 23-25, 2024, Yokohama, Japan 2024)
Fabrication of Ti-6Al-4V using selective laser melting with blue diode laser
(The 5th Smart Laser Processing Conference 2024 April 23-25, 2024, Yokohama, Japan 2024)