4 March 2014 Two-dimensional multispectral imager based on tiled arrangement of metallic nanohole arrays
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Abstract
We developed a two-dimensional multispectral imager that exploits the extraordinary optical transmission of nanohole arrays (NHAs) in a metal film for color separation. The NHA device consisted of blocks in a tiled arrangement, where each block contained multiple metallic NHAs, each with unique feature geometry to enable separation of a mixture of colors into distinct spectral bands. The NHA device was integrated into an optical imaging system. The system was used to capture near video-rate images of a scene and then unmix the colors within the scene into 4 spectral bands in the nearinfrared regime.
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Mohamadreza Najiminaini, Mohamadreza Najiminaini, Bozena Kaminska, Bozena Kaminska, Jeffrey J. L. Carson, Jeffrey J. L. Carson, "Two-dimensional multispectral imager based on tiled arrangement of metallic nanohole arrays ", Proc. SPIE 8954, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XI, 895404 (4 March 2014); doi: 10.1117/12.2040867; https://doi.org/10.1117/12.2040867
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