This paper presents a novel miniaturized hand-held hyperspectral imager for VNIR range of λ = 600 – 900 nm based on MEMS Fabry-Perot interferometer (MFPI) technology. In recent years, tunable MFPI optical filters have been utilized to demonstrate sensors for mobile applications, including CO2 smartphone sensor for mid infra-red region and hyperspectral iPhone for visible spectrum. This hand-held sensor module targets the VNIR range in order to enable food sensing, while utilizing low-cost camera technology to enable potential volume scalability for future sensing applications. The sensor module is wirelessly connected to a mobile device, which enables further application algorithms development and cloudbased solutions.
Antti Näsilä, Roberts Trops, Ingmar Stuns, Tahvo Havia, Heikki Saari, Bin Guo, Harri J. Ojanen, Altti Akujärvi, and Anna Rissanen, "Hand-held MEMS hyperspectral imager for VNIR mobile applications," Proc. SPIE 10545, MOEMS and Miniaturized Systems XVII, 105450R (Presented at SPIE OPTO: January 31, 2018; Published: 22 February 2018); https://doi.org/10.1117/12.2286472.
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