Mr. Shingo Maeda Profile

Shingo Maeda

at Japan Self-Defense Force

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 22 February 2011 Paper

Low-threshold, quasi-cw terahertz parametric amplification in an external ring cavity with an MgO:LiNbO3 Crystal

Shingo Maeda, Tatsuya Ohira, Yuma Takida, Hiroshi Kumagai, Shigeki Nashima

Proceedings Volume 7917, 79171P (2011) https://doi.org/10.1117/12.874333

KEYWORDS: Terahertz radiation, Crystals, Mirrors, Nonlinear crystals, Picosecond phenomena, Silicon, Optical parametric oscillators, Q switched lasers, Q switching, Pulsed laser operation

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Proceedings Article | 22 February 2011 Paper

Parametric generation of terahertz wave pumped by picosecond Ti:sapphire laser with MgO-doped LiNbO3 installed in external enhancement cavity

Yuma Takida, Shingo Maeda, Tatsuya Ohira, Hiroshi Kumagai, Shigeki Nashima

Proceedings Volume 7917, 79170F (2011) https://doi.org/10.1117/12.874559

KEYWORDS: Terahertz radiation, Crystals, Mirrors, Picosecond phenomena, Sapphire lasers, Mode locking, Light, Neodymium, Beam splitters, Sensors

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Proceedings Article | 22 February 2011 Paper

70% frequency-doubling efficiency of 0.8-W mode-locked picosecond Ti:sapphire laser with external cavity

Tatsuya Ohira, Shingo Maeda, Yuma Takida, Hiroshi Kumagai

Proceedings Volume 7917, 79170A (2011) https://doi.org/10.1117/12.874565

KEYWORDS: Ultraviolet radiation, Mirrors, Picosecond phenomena, Harmonic generation, Nonlinear crystals, Mode locking, Reflectivity, Pulsed laser operation, Crystals, Light sources

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SPIE Journal Paper | 1 September 2010

Comparative study of laser-induced metastability-exchange optical pumping of ³He atoms through 2³S₁-3³P_J transition at 389 nm with 2³S₁-2³P_J transition at 1083 nm

Shingo Maeda, Yutaka Tabata, Hiroki Yamada, Hiroshi Kumagai

OE, Vol. 49, Issue 09, 091014, (September 2010) https://doi.org/10.1117/12.10.1117/1.3484945

KEYWORDS: Optical pumping, Polarization, Chemical species, Absorption, Laser optics, Helium, Semiconductor lasers, Spectroscopy, Magnetism, Optical engineering

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Proceedings Article | 26 February 2010 Paper

Nuclear spin polarization of 3He atoms with a frequency doubled Ti:sapphire laser toward nuclear magnetic resonance of porous media

Y. Tabata, H. Yamada, S. Maeda, H. Morioka, H. Kumagai, A. Kobayashi

Proceedings Volume 7586, 75860L (2010) https://doi.org/10.1117/12.840846

KEYWORDS: Polarization, Chemical species, Absorption, Optical pumping, Sapphire lasers, Mirrors, Magnetism, Light sources, Spin polarization, Indium gallium nitride

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Proceedings Article | 18 February 2010 Paper

Generation of quasi-continuous wave 389-nm coherent light by frequency doubling of a Ti:sapphire laser for nuclear spin polarization of [sup]3[/sup]He atoms

Shingo Maeda, Hiroshi Morioka, Tatsuya Ohira, Hiroshi Kumagai, Ataru Kobayashi

Proceedings Volume 7582, 75820N (2010) https://doi.org/10.1117/12.840810

KEYWORDS: Optical pumping, Sapphire lasers, Crystals, Second-harmonic generation, Mirrors, Nonlinear crystals, Light sources, Polarization, Spin polarization, Reflectivity

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Proceedings Article | 24 February 2009 Paper

Frequency doubling of a single-frequency 778-nm Ti:Sapphire laser for nuclear spin polarization of 3He atoms

Shingo Maeda, Yutaka Tabata, Hiroshi Morioka, Hiroshi Kumagai, Ataru Kobayashi

Proceedings Volume 7197, 71970W (2009) https://doi.org/10.1117/12.808135

KEYWORDS: Crystals, Second-harmonic generation, Nonlinear crystals, Spin polarization, Chemical species, Light sources, Laser crystals, Sapphire lasers, Optical pumping, Continuous wave operation

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Proceedings Article | 13 February 2008 Paper

Single-frequency 389-nm CW coherent light source for optical pumping of metastable 3He atoms

Shingo Maeda, Yutaka Tabata, Hiroshi Kumagai, Ataru Kobayashi

Proceedings Volume 6875, 68751B (2008) https://doi.org/10.1117/12.761518

KEYWORDS: Chemical species, Light sources, Polarization, Second-harmonic generation, Nonlinear crystals, Optical pumping, Magnetism, Crystals, Continuous wave operation, Lung

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Showing 5 of 8 publications

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