According to Myers Consulting, Imec, the world ’s leading research and innovation center for nanoelectronics and digital technology, announced on January 25, 2018 that it will showcase its first model at the SPIE Photonics West in San Francisco in February. Short-wave infrared (SWIR) band hyperspectral imaging camera. This camera integrates a CMOS-based spectral filter and an InGaAs-based imager, so it combines the compactness and low cost of CMOS technology with the spectral range of InGaAs.
In the past 5 years, the CMOS semiconductor hyperspectral image filter designed and manufactured by Imec has been applied to silicon-based CMOS image sensors in a monolithic integration. Its sensitivity range is 400-1000nm band visible and near-infrared light (VNIR) . However, studies have predicted that more than half of commercial multispectral and hyperspectral imaging applications need to identify short-wave infrared (SWIR) spectral data in the 1000-1700nm band.
Andy Lambrechts, Imec Integrated Imaging Research Project Manager, believes that "SWIR band is the key to hyperspectral imaging, because this band can provide valuable quantitative information, such as foods, plants, human tissues, pharmaceutical powders and other organic and inorganic substances. The content of water, fat, lipid and protein, as well as the key distinguishing characteristics of plastics, paper, wood and many other materials. Imec relies on its core capabilities in the design and manufacture of optical filters, as well as ensuring the complexity, robustness and compactness Low-cost hyperspectral imaging system solutions are delivered steadily, and the continuous accumulation of professional and technical capabilities naturally extends its product supply to the SWIR band. "
Imec's first SWIR band hyperspectral imager not only has a linear scan "staircase filter" design of 32 to 100 or more spectral bands, but also supports a snapshot mosaic solution that can capture 4 to 16 spectral bands in real time at the video shooting speed . The hyperspectral imager with USB 3.0 and Ethernet (GIGE) interface is currently undergoing certification with strategic partners.
Jerome Baron, Business Development Manager of Imec Integrated Imaging and Vision Systems, explained, "InGaAs imaging industry is at a turning point in development. The market has gradually realized that the development prospects of SWIR band hyperspectral imagers in many application fields have exceeded the military, In traditional niche fields such as remote sensing and science and technology, for research institutions such as Imec, the timing of developing compact low-cost rugged hyperspectral imagers in the SWIR band is just right. Imec ’s goal is to be the most price-sensitive in this technology Promote the product business in the market, such common markets include food sorting, waste management and recycling, industrial machine vision, precision agriculture and medical diagnosis. "
Imec's first SWIR-band hyperspectral imager will be displayed at SPIE Photonics West on February 1, 2018. The booth is located at # 4321, North Hall, Moen Center, San Francisco.
The picture shows the preliminary test results of Imec's hyperspectral SWIR band imager: a) short-wave infrared imager, b) 100+ spectral band analysis chart after the 1.1 ~ 1.7μm band calibration, c) 640 x 480 pixel spatial resolution manpower and Pixel-level 100+ spectrum real-time RAW image deposited and patterned with a step filter, d) Spectral image of skin reflectance after scanning
The picture shows the hyperspectral imaging of the LS 100+ spectral band in the 1.1 ~ 1.7 μm band of Imec in the SWIR band, which can classify nuts and nut shells
The picture shows the hyperspectral imaging of the LS 100+ spectral band in the 1.1 ~ 1.7 μm band of Imec in the SWIR band, which can classify a variety of different textiles
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