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4 March 2019 Cubic-inch MOEMS spectral imager
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Proceedings Volume 10931, MOEMS and Miniaturized Systems XVIII; 109310F (2019) https://doi.org/10.1117/12.2508420
Event: SPIE OPTO, 2019, San Francisco, California, United States
Abstract
Recently developed tunable MEMS Fabry- Perot interferometers based on Ag thin-film mirrors[1] have enabled building highly miniaturized spectral imagers covering almost the complete VNIR wavelength range. The level of miniaturization required by modern smartphone industry has created extremely compact, high performance electronics and camera technologies and by utilizing these technologies together with the novel MEMS FPI’s, it is possible to create extremely compact spectral imagers while still achieving good performance. This paper presents a spectral imager design that can be fit inside an envelope of 1 cubic inch (25.4 × 25.4 × 25.4 mm3 ) and it will be capable of recording images at freely selectable wavelengths within the range of ca. 650 nm - 950 nm. The imager field of view is ca. 12.5° × 10° and the image size is 640 × 512 pixels. Nominally the imager will be focused from ca. 0.5 m to infinity, but with additional optics it is possible to use the imager as a microscope. The compact size of the imager allows the easy integration to almost any available platform, including small drones, nanosatellites or planetary rovers, where small size is essential. It is also possible to integrate the imager to handheld devices, so the potential field of applications will be extensive.
Conference Presentation
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Antti Näsilä, Christer Holmlund, Endija Briede, Rami Mannila, Roberts Trops, Martti Blomberg, Ingmar Stuns, Bin Guo, Kai Viherkanto, Kari Rainio, Heikki Saari, and Anna Rissanen "Cubic-inch MOEMS spectral imager", Proc. SPIE 10931, MOEMS and Miniaturized Systems XVIII, 109310F (4 March 2019); https://doi.org/10.1117/12.2508420
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