Dr. Keisuke Nagato Profile

Dr. Keisuke Nagato

at Univ of Tokyo

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Author

Publications (3)

Proceedings Article | 5 March 2021 Presentation

Ultrafast microwelding of glass by selective absorption of a continuous-wave laser into excited electrons

Shunya Yoshitake, Yusuke Ito, Naoyuki Miyamoto, Akihiro Shibata, Ikuo Nagasawa, Keisuke Nagato, Naohiko Sugita

Proceedings Volume 11673, 116730J (2021) https://doi.org/10.1117/12.2576852

KEYWORDS: Glasses, Continuous wave operation, Ultrafast phenomena, Electrons, Absorption, Pulsed laser operation, Femtosecond phenomena, Laser welding, Laser irradiation

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Proceedings Article | 14 December 2020 Poster + Presentation + Paper

Investigation of shock waves during ultrashort pulse laser drilling of SiC by combining pump-probe imaging with high-speed camera

Junya Hattori, Yusuke Ito, Keisuke Nagato, Naohiko Sugita

Proceedings Volume 11514, 115141R (2020) https://doi.org/10.1117/12.2570971

KEYWORDS: Ultrafast phenomena, Silicon carbide, High speed cameras, Laser drilling, Laser processing, Wave propagation, Pulsed laser operation, Imaging systems, Electronic components, Silicon

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Proceedings Article | 2 March 2020 Paper

Ultrafast and precision processing of glass by selective absorption of fiber-laser pulse into femtosecond-laser-induced filament

Yusuke Ito, Reina Yoshizaki, Akihiro Shibata, Ikuo Nagasawa, Keisuke Nagato, Naohiko Sugita

Proceedings Volume 11267, 112670W (2020) https://doi.org/10.1117/12.2544513

KEYWORDS: Femtosecond phenomena, Glasses, Fiber lasers, Ultrafast phenomena, Absorption, High speed cameras, Laser drilling, Image intensifiers, Picosecond phenomena, Electrons

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