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- W2921058167 abstract "Snapshot spectral imaging is a cutting-edge parallel acquisition technology for mapping the 3D datacube (2D spectral and 1D spatial information) of a scene in real time. Herein, we present a compact, miniature, snapshot <strong>O</strong>ptically <strong>R</strong>eplicating and <strong>R</strong>emapping <strong>I</strong>maging <strong>S</strong>pectrometer (<strong>ORRIS</strong>). Its principle is based on the shifting of subimages replicated by a specially organized lenslet array and the filtering of each subimage by a continuous variable filter (CVF). The 3D datacube is recovered just using a simple image remapping process. The use of the lenslet array and the CVF makes the system very compact and miniature. A handheld proof-of-principle prototype is built in our laboratory by just using commercial-off-the-shelf products. It covers a wavelength region 360 nm to 860 nm with 80 spectral channels with a spatial resolution of 400 × 400 pixels. The volume of prototype is about 230 mm (length) × 70 mm (width) × 70 mm (height) and the weight is about 1.0 kg for finite imaging, and it will become 50 mm (length) × 70 mm (width) × 70 mm (height) and 0.5 kg for infinite imaging. The prototype is verified by measuring outdoor static and dynamic scenes." @default.
- W2921058167 created "2019-03-22" @default.
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- W2921058167 date "2019-03-12" @default.
- W2921058167 modified "2023-09-23" @default.
- W2921058167 title "Compact miniature snapshot imaging spectrometry using continuous variable filter" @default.
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- W2921058167 doi "https://doi.org/10.1117/12.2521256" @default.
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