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IMEC presents hyperspectral CMOS camera

05 Feb 2013

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IMEC hyperspectral camera

A prototype hyperspectral imager has been introduced by Belgian nanoelectronics research firm IMEC. The CMOS-based imaging system was designed for photo and video recording and has integrated hyperspectral filters that are ideal for various industrial applications.

The prototype hyperspectral imager captures an entire multi-spectral image at one discrete point in time. The image is achieved by applying a hyperspectral filter in a tiled layout on a commercially available CMOS-based image sensor (CMOSIS CMV2000, 2 megapixel, max 340fps). The imager and off-the-shelf fore-optics simultaneously duplicates the scene onto each filter tile, acquiring multi-spectral image cubes of 256x256 pixels over 32 bands in the spectral range of 600-1000nm at up to 340 cubes per second—compliant to normal machine vision illumination levels. Due to its simple cube assembly process, the camera is also capable of real-time hyperspectral video.

IMEC's line scan solution monolithically integrates hyperspectral filters on a CMOSIS CMV4000 imager (4 megapixel, max 180fps). It scans 100 spectral bands in the 600-1000nm wavelength range. The filter bandwidth (Full Width Half Max) is about 10nm across the spectral range. The speed of the system corresponds to an equivalent speed of 2,000 lines per second, significantly exceeding current state-of-the-art hyperspectral sensors.

Evaluation kits of IMEC's line scan solution are available now. They are fast and easy to set-up, enabling hyperspectral scanning and analysis of sample material, and delivering relevant test data within a few days after installation. The kits include all required components, from imager to host PC and software, and can be easily rebuilt into different configurations. IMEC aims to launch evaluation systems compatible with the hyperspectral camera by the end of this year.

IMEC is currently sampling the line scan version of its hyperspectral imaging solution, offering a ready-to-use evaluation kit to the industry to line scan and analyse specific sample material.




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