Dr. Hajime Nakajima Profile

Dr. Hajime Nakajima

at Mitsubishi Electric Corp

SPIE Involvement:

Author

Publications (6)

SPIE Journal Paper | 1 July 2007

Displacement sensor based on grating imaging with a cylindrical lens array and a phase grating

Toru Oka, Yoichi Ohmura, Hajime Nakajima, Toshiro Nakashima, Wei Gao, Kazuhiro Hane, Satoshi Kiyono

OE, Vol. 46, Issue 07, 073603, (July 2007) https://doi.org/10.1117/12.10.1117/1.2753185

KEYWORDS: Sensors, Distortion, Modulation transfer functions, Spatial frequencies, Imaging systems, Optical transfer functions, Point spread functions, Optical engineering, Signal to noise ratio, Prototyping

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SPIE Journal Paper | 1 August 2001

Micro-optical distance sensor fabrication by deep x-ray lithography

Hajime Nakajima, Patrick Ruther, Juergen Mohr, Masahiro Tsugai, Teruo Usami

OE, Vol. 40, Issue 08, (August 2001) https://doi.org/10.1117/12.10.1117/1.1387987

KEYWORDS: Sensors, Waveguides, Mirrors, X-ray lithography, Lenses, Laser beam diagnostics, Interfaces, Optical fibers, Polymers, Polymethylmethacrylate

Proceedings Article | 2 September 1998 Paper

Micro-optical distance sensor fabricated by the LIGA process

Hajime Nakajima, Patrick Ruther, Juergen Mohr, Toshiro Nakashima, Kazuo Takashima, Teruo Usami

Proceedings Volume 3513, (1998) https://doi.org/10.1117/12.324264

KEYWORDS: Sensors, Waveguides, X-ray lithography, Mirrors, Polymers, Optical fibers, Laser beam diagnostics, Cladding, Distance measurement, Interfaces

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Proceedings Article | 28 January 1997 Paper

Fingerprint sensor using fiber optic faceplate

Masahiro Shikai, Hajime Nakajima, Toshiro Nakashima, Kazuo Takashima

Proceedings Volume 2932, (1997) https://doi.org/10.1117/12.265387

KEYWORDS: Sensors, Optical fibers, Charge-coupled devices, Fiber optics sensors, Prototyping, Fiber optics, Light emitting diodes, Moire patterns, Prisms, Image sensors

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Proceedings Article | 4 January 1995 Paper

Multi-electrode circular position-sensitive device (PSD) and its application to angular measurement

Hajime Nakajima, Masahiro Shikai, Kazuo Takashima, Teruo Usami

Proceedings Volume 2349, (1995) https://doi.org/10.1117/12.198699

KEYWORDS: Electrodes, Diffraction gratings, Resistors, Photodiodes, Amplifiers, Computer programming, Mirrors, Optical amplifiers, Photoresistors, Semiconductors

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Showing 5 of 6 publications

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