Mr. Shin-ya Hasegawa Profile

Shin-ya Hasegawa

at Fujitsu Labs Ltd

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Author

Publications (4)

Proceedings Article | 15 October 2012 Paper

Terahertz spectroscopic imaging using noncollinear electro-optic sampling and a multistep mirror without shifting the object

Norihiko Itani, Kazunori Maruyama, Shin-ya Hasegawa, Shinichi Wakana

Proceedings Volume 8496, 84960Z (2012) https://doi.org/10.1117/12.928834

KEYWORDS: Terahertz radiation, Laser beam diagnostics, Imaging spectroscopy, Crystals, Laser crystals, Spectroscopy, Mirrors, Wavefronts, Picosecond phenomena, Transmittance

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Proceedings Article | 28 June 1999 Paper

Flat intensity lens with high optical efficiency and small spot size for use in optical disk

Fumihiro Tawa, Shin-ya Hasegawa, Akio Futamata, Takashi Uchiyama

Proceedings Volume 3864, 38640C (1999) https://doi.org/10.1117/12.997649

KEYWORDS: Optical discs, Refraction, Objectives, Optical design, Energy efficiency, Geometrical optics, Optical components, Laser development, Collimation, Gaussian beams

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Proceedings Article | 25 March 1996 Paper

Design of an optical pickup using double holographic lenses

Hiroyasu Yoshikawa, Shin-ya Hasegawa, Fumio Yamagishi, Masato Nakashima

Proceedings Volume 2652, (1996) https://doi.org/10.1117/12.236080

KEYWORDS: Holograms, Holography, Lenses, Optical design, Semiconductor lasers, Optical components, Signal detection, Photodiodes, Optical discs, Optical tracking

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Proceedings Article | 1 May 1992 Paper

Holographic straight-line scanner using a holoplate

Shigetake Iwata, Shin-ya Hasegawa, Satoshi Maeda, Shigeo Kayashima, Fumio Yamagishi

Proceedings Volume 1667, (1992) https://doi.org/10.1117/12.59646

KEYWORDS: Scanners, Holography, Semiconductor lasers, Holograms, Laser scanners, 3D scanning, Tolerancing, Optical design, Nonimpact printing, Temperature metrology

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