Dr. Keisuke Nagashima Profile

Dr. Keisuke Nagashima

at Japan Atomic Energy Agency

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Author

Publications (10)

Proceedings Article | 5 August 2015 Open Access

Damage-controlled high power lasers and plasma mirror application

Hiromitsu Kiriyama, Yoshihiro Ochi, Masaharu Nishikino, Keisuke Nagashima, Tetsuya Kawachi, Ryoji Itakura, Akira Sugiyama, Masaki Kando, A. Pirozhkov, Mamiko Nishiuchi, Sergei Bulanov, Kimonori Kondo, Yoshiaki Kato

Proceedings Volume 9532, 95320A (2015) https://doi.org/10.1117/12.2185763

KEYWORDS: Plasma, Laser systems engineering, Optical amplifiers, Mirrors, Pulsed laser operation, Terahertz radiation, Laser induced damage, X-ray lasers, High power lasers, Vacuum ultraviolet

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Proceedings Article | 14 November 2013 Paper

Development of high resistant anti-reflection coating by using Al2O3/SiO2 multilayer

Yoshihiro Ochi, Keisuke Nagashima, Hajime Okada, Momoko Tanaka, Ryo Tateno, Yasuyuki Furukawa, Akira Sugiyama

Proceedings Volume 8885, 88851Z (2013) https://doi.org/10.1117/12.2030096

KEYWORDS: Antireflective coatings, Laser damage threshold, Multilayers, Silica, Laser induced damage, Picosecond phenomena, Coating, Optical amplifiers, Reflectivity, Pulsed laser operation

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Proceedings Article | 14 September 2005 Paper

Recent progress in x-ray laser research in JAERI

T. Kawachi, K. Nagashima, M. Kishimoto, N. Hasegawa, M. Tanaka, Y. Ochi, M. Nishikino, H. Kawazome, R. Tai, K. Namikawa, Y. Kato

Proceedings Volume 5919, 59190L (2005) https://doi.org/10.1117/12.616417

KEYWORDS: X-ray lasers, X-rays, Amplifiers, Polarization, Picosecond phenomena, Neodymium glass lasers, Target detection, Mirrors, Plasma, Speckle

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Proceedings Article | 19 December 2003 Paper

Near-field imaging of Ni-like silver transient collisional x-ray laser

Olivier Guilbaud, Matthew Edwards, Annie Klisnick, David Ros, Gerard Jamelot, Denis Joyeux, Daniel Phalippou, Huajing Tang, Paul Neumayer, Daniel Ursescu, Greg Tallents, Thomas Kuehl, K. Cassou, Kamal Bouhouch, Masataka Kado, Masaharu Nishikino, Kota Sukegawa, Maki Kishimoto, Masahiko Ishino, Keisuke Nagashima, Hiroyuki Daido, Wolfgang Seelig, Stefan Borneis, Erhard Gaul, W. Geithner, C. Hafner, Piotr Wiewior

Proceedings Volume 5197, (2003) https://doi.org/10.1117/12.507090

KEYWORDS: X-ray lasers, Plasma, Near field, Mirrors, Silver, Imaging devices, Picosecond phenomena, Pulsed laser operation, Interferometry, Zirconium

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Proceedings Article | 19 December 2003 Paper

Development of a full spatial coherent x-ray laser at 13.9 nm

Keisuke Nagashima, Momoko Tanaka, Masaharu Nishikino, Maki Kishimoto, Masataka Kado, Tetsuya Kawachi, Noboru Hasegawa, Yoshihiro Ochi, Kouta Sukegawa, Renzhong Tai, Yoshiaki Kato

Proceedings Volume 5197, (2003) https://doi.org/10.1117/12.503910

KEYWORDS: X-ray lasers, X-rays, Refraction, Picosecond phenomena, Spatial coherence, Pulsed laser operation, Plasmas, Laser development, Optical pumping, Diffraction

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Proceedings Article | 12 December 2003 Paper

X-ray spectroscopic study on femto- and pico-second laser irradiated solid and gaseous targets

Masayuki Suzuki, Hiroyuki Daido, Fumiaki Matsuoka, Etsuya Yanase, Mamiko Nishiuchi, Keiko Suto, A. Sasaki, Koichi Yamakawa, Tetsuya Kawachi, Keisuke Nagashima, Takatsugu Oketa, Takeyoshi Nakayama, Ingo Uschmann, Eckhart Foerster, Henryk Fiedorowicz

Proceedings Volume 5228, (2003) https://doi.org/10.1117/12.536791

KEYWORDS: X-rays, Pulsed laser operation, Plasma, Spectroscopy, Laser energy, Krypton, Nitrogen, Oxygen, Ions, Xenon

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Proceedings Article | 12 December 2001 Paper

Higher harmonic generation for the high coherent x-ray laser

Noboru Hasegawa, Alexander Kilpio, Keisuke Nagashima, Tetsuya Kawachi, Masataka Kado, Momoko Tanaka, Shinichi Namba, Kenjiro Takahashi, Kouta Sukegawa, Peixiang Lu, Huajing Tang, Maki Kishimoto, Tai Renzhong, Hiroyuki Daido, Yoshiaki Kato

Proceedings Volume 4505, (2001) https://doi.org/10.1117/12.450592

KEYWORDS: X-ray lasers, X-rays, Amplifiers, Spatial coherence, Titanium, Picosecond phenomena, Laser systems engineering, Sapphire lasers, Spectroscopy, Harmonic generation

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Proceedings Article | 12 December 2001 Paper

X-ray laser research at Advanced Photon Research Center of JAERI, Kansai

Masataka Kado, Tetsuya Kawachi, Momoko Tanaka, Noboru Hasegawa, Kenjiro Takahashi, Shinichi Namba, Kouta Sukegawa, Akira Sasaki, Peixiang Lu, Huajing Tang, Keisuke Nagashima, Hiroyuki Daido, Alexander Kilpio, Yoshiaki Kato

Proceedings Volume 4505, (2001) https://doi.org/10.1117/12.450603

KEYWORDS: X-ray lasers, Plasma, Silver, Tin, Picosecond phenomena, Mirrors, Laser energy, X-rays, Pulsed laser operation, Electrons

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Proceedings Article | 11 January 2000 Paper

Development of tabletop transient collisional excitation x-ray lasers

Masataka Kado, Tetsuya Kawachi, Noboru Hasegawa, Momoko Tanaka, Kouta Sukegawa, Keisuke Nagashima, Akira Nagashima, Yoshiaki Kato

Proceedings Volume 3886, (2000) https://doi.org/10.1117/12.375119

KEYWORDS: X-ray lasers, Laser systems engineering, Pulsed laser operation, Plasmas, Laser energy, Refraction, Laser development, Amplifiers, X-rays, Solids

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Proceedings Article | 21 October 1999 Paper

Development of a CPA Nd:glass/Ti sapphire laser system for generation of coherent x-ray laser radiation

Masataka Kado, Akira Nagashima, Keisuke Nagashima, Tetsuya Kawachi, Noboru Hasegawa, Momoko Tanaka, T. Hosokai, Kouta Sukegawa, A. Sasaki, Yoshiaki Kato

Proceedings Volume 3776, (1999) https://doi.org/10.1117/12.366674

KEYWORDS: X-ray lasers, Laser systems engineering, Pulsed laser operation, Plasmas, Laser energy, Refraction, Optical amplifiers, Solids, Laser development, Metals

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Showing 5 of 10 publications

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