Mr. Takayuki Hirai Profile

Takayuki Hirai

at Sumitomo Electric Hardmetal Corp.

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 8 October 2004 Paper

Characteristic of diffractive optical element for arbitrary pattern beam shaping

Takayuki Hirai, Keiji Fuse, Kenichi Kurisu, Keiji Ebata, Kyoji Matsushima

Proceedings Volume 5662, (2004) https://doi.org/10.1117/12.596369

KEYWORDS: Diffractive optical elements, Laser processing, Beam splitters, Laser drilling, Beam homogenizers, Beam shaping, Optical design, Fourier transforms, Annealing, Microfabrication

Read Abstract +

Proceedings Article | 29 September 2004 Paper

Characteristics of diffractive optical element for multispot beam homogenizing

Takayuki Hirai, Keiji Fuse, Kenichi Kurisu, Keiji Ebata

Proceedings Volume 5525, (2004) https://doi.org/10.1117/12.557490

KEYWORDS: Diffractive optical elements, Beam homogenizers, Laser processing, Beam splitters, Laser drilling, Laser development, Beam shaping, Optical design, Annealing, Beam controllers

Read Abstract +

Proceedings Article | 18 November 2003 Paper

Advanced laser optics for laser material processing

Keiji Ebata, Keiji Fuse, Takayuki Hirai, Kenichi Kurisu

Proceedings Volume 5063, (2003) https://doi.org/10.1117/12.541164

KEYWORDS: Diffractive optical elements, Beam homogenizers, Aspheric lenses, Laser beam propagation, Laser processing, Diffraction, Laser drilling, Laser optics, Wave propagation, Optical design

Read Abstract +

Proceedings Article | 3 March 2003 Paper

Characteristic of ZnSe aspheric beam homogenizer for CO2 laser

Takayuki Hirai, Keiji Fuse, Manabu Shiozaki, Keiji Ebata, Takeshi Okada, Hirokuni Namba

Proceedings Volume 4831, (2003) https://doi.org/10.1117/12.497929

KEYWORDS: Aspheric lenses, Beam homogenizers, Lithium, Laser beam propagation, Diffraction, Lens design, Laser drilling, Beam propagation method, Wave propagation, Geometrical optics

Read Abstract +

Proceedings Article | 19 February 2003 Paper

Beamsplitting ZnSe diffractive optical element

Kenichi Kurisu, Takayuki Hirai, Toshihiko Ushiro, Keiji Fuse, Takeshi Okada, Keiji Ebata

Proceedings Volume 4830, (2003) https://doi.org/10.1117/12.486527

KEYWORDS: Diffractive optical elements, Etching, Reactive ion etching, Beam splitters, Diffraction, Zinc, Ions, Electrodes, Sputter deposition, Surface finishing

Read Abstract +

Proceedings Article | 21 December 2001 Paper

Optical properties of ZnSe diffractive optical elements for spot array generation

Keiji Ebata, Keiji Fuse, Kenichi Kurisu, Takeshi Okada, Takayuki Hirai, Hirokuni Nanba

Proceedings Volume 4436, (2001) https://doi.org/10.1117/12.451294

KEYWORDS: Diffractive optical elements, Etching, Diffraction, Carbon dioxide lasers, Reactive ion etching, Laser drilling, Optical properties, Optical lithography, Optical design, High power lasers

Read Abstract +

Proceedings Article | 23 October 2001 Paper

Microfabricated ZnSe diffractive optical elements for CO2 laser

Keiji Ebata, Keiji Fuse, Kenichi Kurisu, Takeshi Okada, Takayuki Hirai, Hirokuni Nanba

Proceedings Volume 4400, (2001) https://doi.org/10.1117/12.445598

KEYWORDS: Diffractive optical elements, Etching, Carbon dioxide lasers, Diffraction, Optical lithography, Reactive ion etching, Optical design, Optical components, Chlorine, Laser drilling

Read Abstract +

Proceedings Article | 22 September 1999 Paper

3D-FDTD and experimental analysis of a resonant microcavity probe for high-resolution SNOM

Yasushi Oshikane, Hirofumi Nakagawa, Toshihiko Kataoka, Katsuyoshi Endo, Haruyuki Inoue, Takayuki Hirai

Proceedings Volume 3791, (1999) https://doi.org/10.1117/12.363862

KEYWORDS: Optical spheres, Near field scanning optical microscopy, Optical microcavities, Glasses, Resonators, Latex, Refractive index, Microscopes, Spherical lenses, Spatial resolution

Read Abstract +

Showing 5 of 8 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years