Dr. Shigeki Tokita Profile

Dr. Shigeki Tokita

at Osaka Univ

SPIE Involvement:

Author

Publications (7)

Proceedings Article | 13 May 2019 Paper

Erbium-doped mid-infrared fiber lasers

Ori Henderson-Sapir, Andrew Malouf, Nathaniel Bawden, Elizaveta Klantsataya, Jesper Munch, Matthew Majewski, Stuart Jackson, Hiraku Matsukuma, Shigeki Tokita, Sze Yun Set, Shinji Yamashita, David Ottaway

Proceedings Volume 10981, 1098108 (2019) https://doi.org/10.1117/12.2524138

KEYWORDS: Mid-IR, Graphene, Mode locking, Fiber lasers, Erbium, Pulsed laser operation, ZBLAN

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Proceedings Article | 26 April 2019 Presentation + Paper

Compact CW mid-IR Fe:ZnSe coherent source pumped by Er:ZBLAN fiber laser

A. V. Pushkin, E. A. Migal, H. Uehara, K. Goya, S. Tokita, M. P. Frolov, Yu Korostelin, V. I. Kozlovsky, Ya. Skasyrsky, F. V. Potemkin

Proceedings Volume 11033, 110330G (2019) https://doi.org/10.1117/12.2520782

KEYWORDS: Mid-IR, Mirrors, Continuous wave operation, Output couplers, Crystals, Doping, Fiber lasers, Laser crystals, Temperature metrology, Absorption

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Proceedings Article | 7 March 2019 Presentation + Paper

Development of a 10-J, 10-Hz laser amplifier system with cryo-cooled Yb:YAG ceramics using active-mirror method

Y. Kabeya, T. Morita, Y. Hatano, T. Iguchi, Y. Muramatsu, T. Sekine, Y. Takeuchi, T. Kurita, Y. Tamaoki, K. Iyama, M. Kurata, Y. Mizuta, K. Kawai, Y. Kato, S. Tokita, J. Kawanaka

Proceedings Volume 10896, 108960M (2019) https://doi.org/10.1117/12.2510767

KEYWORDS: Lasers, Ceramics, Laser processing, Laser applications, Amplifiers, Fiber lasers, Head, Laser amplifiers, Pulsed laser operation, Laser systems engineering

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Proceedings Article | 4 March 2019 Paper

High-index-contrast Bragg gratings fabricated in fluoride fiber with 513-nm femtosecond laser

K. Goya, H. Uehara, D. Konishi, M. Murakami, S. Tokita

Proceedings Volume 10899, 1089919 (2019) https://doi.org/10.1117/12.2508362

KEYWORDS: Optical fibers, Femtosecond phenomena, Bragg gratings, Fiber Bragg gratings, Cladding, Reflectivity, Structured optical fibers, Fiber lasers, ZBLAN, Laser systems engineering

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Proceedings Article | 26 February 2018 Paper

Q-switched dual-wavelength pumped 3.5-µm erbium-doped mid-infrared fiber laser

Nathaniel Bawden, Hiraku Matsukuma, Ori Henderson-Sapir, Elizaveta Klantsataya, Shigeki Tokita, David Ottaway

Proceedings Volume 10512, 105120T (2018) https://doi.org/10.1117/12.2288081

KEYWORDS: Mid-IR, Resonators, Q switches, Fiber lasers, Erbium, Q switched lasers, Pulsed laser operation, ZBLAN

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Proceedings Article | 1 May 2015 Paper

World's largest high energy petawatt laser LFEX as a user's facility

H. Shiraga, N. Miyanaga, J. Kawanaka, S. Tokita, T. Jitsuno, Y. Nakata, S. Fujioka, H. Azechi

Proceedings Volume 9515, 95150S (2015) https://doi.org/10.1117/12.2181654

KEYWORDS: Fiber amplifiers, Mirrors, Optical amplifiers, Laser energy, Physics, Laser irradiation, Picosecond phenomena, Pulsed laser operation, Fusion energy, Diffraction gratings

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Proceedings Article | 23 March 2005 Paper

Quantum-defect-limited operation of Yb:YAG crystal

Junji Kawanaka, Takahiro Shoji, Shigeki Tokita, Masayuki Fujita, Yasukazu Izawa

Proceedings Volume 5777, (2005) https://doi.org/10.1117/12.611033

KEYWORDS: Oscillators, Output couplers, Crystals, Copper, Ions, Semiconductor lasers, Ytterbium, Diodes, Laser crystals, Fusion energy

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Showing 5 of 7 publications

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