Mr. Timo T. Kolehmainen Profile

Timo T. Kolehmainen

at Specim, Spectral Imaging Ltd

SPIE Involvement:

Author

Publications (7)

Proceedings Article | 7 June 2024 Presentation + Paper

Development of the new MWIR and LWIR hyperspectral imagers at Specim

H. Holma, P. Saari, T. Kolehmainen

Proceedings Volume 13031, 1303106 (2024) https://doi.org/10.1117/12.3013687

KEYWORDS: Cameras, Long wavelength infrared, Equipment, Mid-IR, Signal to noise ratio, Hyperspectral imaging, Reflectivity, Imaging systems, Thermography, Light sources and illumination

Read Abstract +

Proceedings Article | 13 June 2023 Presentation + Paper

Selection of optimal performance parameters in industrial hyperspectral camera design

H. Holma, P. Saari, T. Kolehmainen

Proceedings Volume 12519, 1251902 (2023) https://doi.org/10.1117/12.2663795

KEYWORDS: Cameras, Design and modelling, Hyperspectral imaging, Imaging systems, Equipment, Spectral resolution, Signal to noise ratio, Spectral imaging cameras, Quantum efficiency

Read Abstract +

Proceedings Article | 18 February 2004 Paper

Imaging lens design using image quality metric

Jean-Luc Olives, Timo Kolehmainen, Janne Aikio, Kari Kataja, Pentti Karioja, Tero Vuori, T. Mustonen

Proceedings Volume 5249, (2004) https://doi.org/10.1117/12.512817

KEYWORDS: Image quality, Imaging systems, Modulation transfer functions, Lens design, Image sensors, LCDs, Visualization, Sensors, Signal to noise ratio, Objectives

Read Abstract +

Proceedings Article | 22 January 2004 Paper

Prototyping of miniature plastic imaging lens

Jukka-Tapani Makinen, Janne Aikio, Veli-Pekka Putila, Kimmo Keranen, Pentti Karioja, Timo Kolehmainen, Janne Haavisto

Proceedings Volume 5178, (2004) https://doi.org/10.1117/12.503480

KEYWORDS: Prototyping, Optics manufacturing, Optical design, Optomechanical design, Tolerancing, Manufacturing, Performance modeling, Design for manufacturability, Lens design, Image quality

Read Abstract +

Proceedings Article | 22 January 2004 Paper

Simulation of imaging system's performance

Timo Kolehmainen, Janne Aikio, Mikko Karppinen, Antti-Jussi Mattila, Jukka-Tapani Makinen, Kari Kataja, Kari Tukkiniemi, Pentti Karioja

Proceedings Volume 5178, (2004) https://doi.org/10.1117/12.504330

KEYWORDS: Imaging systems, Image sensors, Sensors, Image quality, RGB color model, Lens design, Modulation transfer functions, Point spread functions, Visualization, Raster graphics

Read Abstract +

Proceedings Article | 27 August 2003 Paper

Fast lens testing using random targets

Sampo Backman, Anssi Maekynen, Timo Kolehmainen, Kai Ojala

Proceedings Volume 4876, (2003) https://doi.org/10.1117/12.463918

KEYWORDS: Modulation transfer functions, Sensors, Charge-coupled devices, Spatial frequencies, CCD cameras, Optical filters, Manufacturing, Cameras, Target acquisition, Statistical analysis

Read Abstract +

Proceedings Article | 8 November 2001 Paper

Optical information storage in cellular mobile terminals

Jakke Makela, Janne Aikio, Venkatesh Vadde, Timo Kolehmainen, Pentti Karioja

Proceedings Volume 4534, (2001) https://doi.org/10.1117/12.448015

KEYWORDS: Standards development, Optical storage, Magnetism, Optical discs, Interfaces, Compact discs, Data storage, Manufacturing, Solid state electronics, Optics manufacturing

Read Abstract +

Showing 5 of 7 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