Dr. Tetsumi Sumiyoshi Profile

Dr. Tetsumi Sumiyoshi

Chief Technology Officer at Cyber Laser Inc

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Author

Publications (9)

Proceedings Article | 23 February 2008 Paper

Far rear surface focusing of femtosecond laser pulses for dicing display glass plates

Farid Ahmed, Chulki Min, Man Seop Lee, Hitoshi Sekita, Tetsumi Sumiyoshi, Masanao Kamata

Proceedings Volume 6880, 688009 (2008) https://doi.org/10.1117/12.762807

KEYWORDS: Glasses, Femtosecond phenomena, Plasma, Objectives, Micromachining, Mirrors, Reflection, Ultrafast lasers, Ionization, Optical microscopes

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Proceedings Article | 9 November 2005 Paper

CW DUV light sources for inspection tools

Jun Sakuma, Yasuyuki Okada, Tetsumi Sumiyoshi, Hitoshi Sekita, Minoru Obara

Proceedings Volume 5992, 599243 (2005) https://doi.org/10.1117/12.632101

KEYWORDS: Deep ultraviolet, Atomic force microscopy, Crystals, Continuous wave operation, Light sources, Nonlinear crystals, Second-harmonic generation, Inspection, Fiber lasers

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Proceedings Article | 1 June 2004 Paper

Stable long-life 1-W femtosecond laser for industrial and biomedical applications

Yusuke Tamaki, Hitoshi Sekita, Kazuya Takasago, Tetsumi Sumiyoshi, Jun Sakuma

Proceedings Volume 5340, (2004) https://doi.org/10.1117/12.522289

KEYWORDS: Biomedical optics, Femtosecond phenomena, Ultrafast lasers, Laser development, Pulsed laser operation, Biological research

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Proceedings Article | 17 October 2003 Paper

Femtosecond laser interferometric processing of Nd:GGG planar optical waveguide

Ken Oi, Minoru Obara, Tetsumi Sumiyoshi

Proceedings Volume 4977, (2003) https://doi.org/10.1117/12.479243

KEYWORDS: Waveguides, Femtosecond phenomena, Interferometry, Laser ablation, Absorption, Thin films, Semiconductor lasers, Optical microscopes, Laser processing, Waveguide lasers

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Proceedings Article | 27 June 2002 Paper

Development for medical surgical system with function variability and flexible delivery using dual-wavelength infrared fiber laser

Kyota Naruse, Tsunenori Arai, Satoko Kawauchi, Tetsumi Sumiyoshi, Shoichi Kiyoshima, Miya Ishihara, Shunichi Sato, Makoto Kikuchi, Hitoshi Sekita, Minoru Obara

Proceedings Volume 4617, (2002) https://doi.org/10.1117/12.472515

KEYWORDS: Fiber lasers, Optical filters, Sapphire, Infrared radiation, Laser cutting, Infrared lasers, Laser dentistry, Tissues, Beam delivery, Laser tissue interaction

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Proceedings Article | 9 July 2001 Paper

Theoretical study of variable function (cutting/coagulating) laser surgical system using continuous-wave 3 um, 2u m cascade Ho3+:ZBLAN fiber laser

Kyota Naruse, Tsunenori Arai, Satoko Kawauchi, Tetsumi Sumiyoshi, Shoichi Kiyoshima, Miya Ishihara, Shunichi Sato, Makoto Kikuchi, Hitoshi Sekita, Minoru Obara

Proceedings Volume 4257, (2001) https://doi.org/10.1117/12.434718

KEYWORDS: Fiber lasers, Quantum cascade lasers, Tissues, Laser cutting, Absorption, Laser tissue interaction, Laser dentistry, Continuous wave operation, Microscopes, Laser systems engineering

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Proceedings Article | 13 June 2000 Paper

Laser-tissue interaction of a continuous-wave 2-um, 3-um cascade oscillation fiber laser: sharp incision with controlled coagulation layer thickness

Tsunenori Arai, Tetsumi Sumiyoshi, Kyota Naruse, Miya Ishihara, Shunichi Sato, Makoto Kikuchi, Tadashi Kasamatsu, Hitoshi Sekita, Minoru Obara

Proceedings Volume 3914, (2000) https://doi.org/10.1117/12.388052

KEYWORDS: Fiber lasers, Laser tissue interaction, Laser cutting, Laser systems engineering, Continuous wave operation, Laser development, Photography, Tissues, Laser therapeutics, Liver

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Proceedings Article | 31 March 1995 Paper

Selective material ablation by the TEA CO2 laser

Tetsumi Sumiyoshi, Akira Shiratori, Yutaka Ninomiya, Minoru Obara

Proceedings Volume 2502, (1995) https://doi.org/10.1117/12.204977

KEYWORDS: Carbon dioxide lasers, Laser ablation, Absorption, Quartz, Gas lasers, Aluminum, Hydrogen, Nonlinear crystals, Protactinium, Scanning electron microscopy

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Proceedings Article | 4 May 1993 Paper

High-performance pulsed HF chemical lasers

Tetsumi Sumiyoshi, Shu-ichi Ashidate, Fumihiko Kannari, Minoru Obara

Proceedings Volume 1810, (1993) https://doi.org/10.1117/12.144643

KEYWORDS: Hydrogen fluoride lasers, Optical fibers, Chemical lasers, Glasses, Carbon dioxide, Surface finishing, Pulsed laser operation, Tissue optics, Diffraction gratings, Carbon dioxide lasers

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Showing 5 of 9 publications

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