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/Reading room/Imec demonstrates Shortwave Infrared (SWIR) range hyperspectral imaging camera
Imec demonstrates Shortwave Infrared (SWIR) range hyperspectral imaging camera
SAN FRANCISCO - Jan. 25, 2018 - Imec, the world-leading research and innovation hub in nanoelectronics and digital technologies, today announced that it will demonstrate its very first shortwave infrared (SWIR) range hyperspectral imaging camera at next week’s SPIE Photonics West in San Francisco. The SWIR range provides discriminatory information on all kinds of materials, paving the way to hyperspectral imaging applications in food sorting, waste management, machine vision, precision agriculture and medical diagnostics. Imec’s SWIR camera integrates CMOS-based spectral filters together with InGaAs-based imagers, thus combining the compact and low-cost capabilities of CMOS technology with the spectral range of InGaAs.
Semiconductor CMOS-based hyperspectral imaging filters, as designed and manufactured by imec for the past five years, have been utilized in a manner where they are integrated monolithically onto silicon-based CMOS image sensors, which has a sensitivity range from 400 – 1000 nm visible and near-IR (VNIR) range. However, it is expected that more than half of commercial multi and hyperspectral imaging applications need discriminative spectral data in the 1000 – 1700 nm SWIR range.
“SWIR range is key for hyperspectral imaging as it provides extremely valuable quantitative information about water, fatness, lipid and protein content of organic and inorganic matters like food, plants, human tissues, pharmaceutical powders, as well as key discriminatory characteristics about plastics, paper, wood and many other material properties,” commented Andy Lambrechts, program manager for integrated imaging activities at imec. “It was a natural evolution for imec to extend its offering into the SWIR range while leveraging its core capabilities in optical filter design and manufacturing, as well as its growing expertise in designing compact, low-cost and robust hyperspectral imaging system solutions to ensure this complex technology delivers on its promises.”
Imec’s initial SWIR range hyperspectral imaging cameras feature both linescan ‘stepped filter’ designs with 32 to 100 or more spectral bands, as well as snapshot mosaic solutions enabling the capture of 4 to 16 bands in real-time at video-rate speeds. Cameras with both USB3.0 and GIGE interface are currently in the field undergoing qualification with strategic partners.
“The InGaAs imager industry is at a turning point,” explained Jerome Baron, business development manager of integrated imaging and vision systems at imec. “As the market recognizes the numerous applications of SWIR range hyperspectral imaging cameras beyond its traditional military, remote sensing and scientific niche fields, the time is right for organizations such as imec to enable compact, robust and low-cost hyperspectral imaging cameras in the SWIR range too. Imec’s objectives will be to advance this offering among the most price sensitive volume markets for this technology which include food sorting, waste management and recycling, industrial machine vision, precision agriculture and medical diagnostics.”
The first SWIR range hyperspectral imaging cameras will be demonstrated through Feb. 1 at SPIE Photonics West, booth #4321 in the North Hall of Moscone center in San Francisco.
Imec’s hyperspectral imaging SWIR range camera preliminary results: a) SWIR camera, b) 100+ spectral bands measurement in 1.1 – 1.7um range after calibration c) live RAW image of one human hand with 640 x 480 pixels spatial resolution and 100+bands stepped filters deposited and patterned at pixel level d) Spectral plot showing skin reflectance values after scanning.Hyperspectral imaging in SWIR range with imec’s LS 100+ bands in 1.1 – 1.7µm range enables classification of nuts versus their nut’s shells.
Hyperspectral imaging in SWIR range with imec LS 100+ bands in 1.1 – 1.7um range enables classification of various different textiles.
Imec is the world-leading research and innovation hub in nanoelectronics and digital technologies. The combination of our widely acclaimed leadership in microchip technology and profound software and ICT expertise is what makes us unique. By leveraging our world-class infrastructure and local and global ecosystem of partners across a multitude of industries, we create groundbreaking innovation in application domains such as healthcare, smart cities and mobility, logistics and manufacturing, energy and education.
As a trusted partner for companies, start-ups and universities we bring together close to 3,500 brilliant minds from over 70 nationalities. Imec is headquartered in Leuven, Belgium and has distributed R&D groups at a number of Flemish universities, in the Netherlands, Taiwan, USA, China, and offices in India and Japan. In 2016, imec's revenue (P&L) totaled 496 million euro. Further information on imec can be found at www.imec-int.com.
Imec is a registered trademark for the activities of IMEC International (a legal entity set up under Belgian law as a "stichting van openbaar nut”), imec Belgium (IMEC vzw supported by the Flemish Government), imec the Netherlands (Stichting IMEC Nederland, part of Holst Centre which is supported by the Dutch Government), imec Taiwan (IMEC Taiwan Co.) and imec China (IMEC Microelectronics (Shanghai) Co. Ltd.) and imec India (Imec India Private Limited), imec Florida (IMEC USA nanoelectronics design center).
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