Dr. Jari Rasanen Profile

Dr. Jari Rasanen

Specialist Electro-Optics at Patria Aviation Oy

SPIE Involvement:

Author

Publications (4)

SPIE Journal Paper | 1 May 1998

Diffractive element in optical inspection of paper

Raimo Silvennoinen, Kai-Erik Peiponen, Jari Rasanen, Mika Sorjonen, Eino Keranen, Tomoaki Eiju, Koji Tenjimbayashi, Kiyofumi Matsuda

OE, Vol. 37, Issue 05, (May 1998) https://doi.org/10.1117/12.10.1117/1.601664

KEYWORDS: Reflection, 3D image reconstruction, Inspection, Optical fibers, Optical inspection, Optical components, Image sensors, Reflectivity, Computer generated holography, Sensors

SPIE Journal Paper | 1 December 1996

Off-line system for simultaneous inspection of metal surface roughness and flatness by computer-generated holograms

Markku Savolainen, Jari Rasanen, Kai-Erik Peiponen, Raimo Silvennoinen

OE, Vol. 35, Issue 12, (December 1996) https://doi.org/10.1117/12.10.1117/1.601082

KEYWORDS: Inspection, Surface roughness, Computer generated holography, Metals, Sensors, Multiplexing, Matrices, Spatial light modulators, Holography, Computing systems

SPIE Journal Paper | 1 September 1995

Optical sensing of surface roughness and waviness by a computer-generated hologram

Jari Rasanen, Markku Savolainen, Raimo Silvennoinen, Kai-Erik Peiponen

OE, Vol. 34, Issue 09, (September 1995) https://doi.org/10.1117/12.10.1117/12.208093

KEYWORDS: Surface roughness, Computer generated holography, Optical sensing, Sensors, Reflectivity, Computer simulations, Computing systems, Calibration

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Proceedings Article | 1 October 1991 Paper

Computer-generated diffraction gratings in optical region

Raimo Silvennoinen, Rauno Hamalainen, Jari Rasanen

Proceedings Volume 1574, (1991) https://doi.org/10.1117/12.50107

KEYWORDS: Diffraction gratings, Monochromatic aberrations, Holograms, Refractive index, Computer generated holography, Photography, Diffraction, Diffractive optical elements, Fourier transforms, Wavefronts

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