According to Memes Consulting, Imec, the world’s leading research and innovation center in nanoelectronics and digital technology, announced on January 25, 2018 that it would unveil its first short-wave infrared (SWIR) hyperspectral imaging camera at the SPIE Photonics West conference in San Francisco in February. This cutting-edge camera combines a CMOS-based spectral filter with an InGaAs-based imager, merging the advantages of compactness and affordability from CMOS technology with the broader spectral range of InGaAs. Over the past five years, Imec has developed CMOS-based hyperspectral filters that are monolithically integrated with silicon-based CMOS image sensors, covering the visible and near-infrared (VNIR) range of 400–1000 nm. However, industry experts predict that more than half of commercial multispectral and hyperspectral imaging applications will soon require SWIR data in the 1000–1700 nm range.
Andy Lambrechts, project manager for Imec’s Integrated Imaging Research, emphasized that “the SWIR band is crucial for hyperspectral imaging because it offers quantitative insights into organic and inorganic materials—such as water, fat, lipid, and protein content in food, plants, and human tissue, as well as distinguishing properties of plastics, paper, and wood.†He added that Imec’s expertise in optical filter design and manufacturing enables the delivery of compact, rugged, and cost-effective hyperspectral systems. The company’s first SWIR hyperspectral imager features a linear scan "step filter" design with 32 to 100+ spectral bands and also supports a snapshot mosaic solution that captures 4 to 16 spectral bands in real time at video speeds. The device comes with USB 3.0 and Ethernet (GIGE) interfaces and is currently undergoing certification with key partners.
Jerome Baron, business development manager for integrated imaging and vision systems at Imec, noted that “the InGaAs imaging market is at a pivotal stage. The SWIR hyperspectral imaging technology is no longer confined to niche areas like military or remote sensing—it's now gaining traction across various industries.†He pointed out that Imec aims to target price-sensitive markets such as food sorting, waste management, industrial machine vision, precision agriculture, and medical diagnostics. The first SWIR hyperspectral imager will be showcased at SPIE Photonics West on February 1, 2018, at booth #7321 in the North Hall at the Moscone Center in San Francisco.
The image displays preliminary test results of Imec’s SWIR hyperspectral imager: a) a short-wave infrared image, b) 100+ spectral bands analyzed after calibration in the 1.1–1.7 μm range, c) a 640 x 480 pixel spatial resolution image with pixel-level 100+ spectral band-step filter deposition and real-time raw image (RAW), d) a skin reflectance spectral image after scanning.
This image shows hyperspectral imaging using Imec’s SWIR hyperspectral system in the 1.1–1.7 μm range, capable of classifying nuts and their shells.
Another image demonstrates the use of Imec’s SWIR hyperspectral imaging in the 1.1–1.7 μm range for differentiating textiles.
Imec is the world’s leading research and innovation hub in nanoelectronics and digital technology. It combines advanced microchip technology with deep software and ICT expertise to maintain its unique position in the industry. With state-of-the-art infrastructure and a wide network of local and global partners across multiple sectors, Imec drives breakthrough innovations in healthcare, smart cities, transportation, logistics, manufacturing, energy, and education. As a trusted partner to companies, startups, and universities, Imec brings together over 3,500 professionals from more than 70 countries. Based in Leuven, Belgium, Imec has R&D facilities in several Dutch, Taiwanese, U.S., and Chinese universities, as well as offices in India and Japan. In 2016, Imec reported revenue of 496 million euros.
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