15 March 2016 Design of a multi-spectral imager built using the compressive sensing single-pixel camera architecture
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Abstract
We present the design of a multi-spectral imager built using the architecture of the single-pixel camera. The architecture is enabled by the novel sampling theory of compressive sensing implemented optically using the Texas Instruments DLP™ micro-mirror array. The array not only implements spatial modulation necessary for compressive imaging but also provides unique diffractive spectral features that result in a multi-spectral, high-spatial resolution imager design. The new camera design provides multi-spectral imagery in a wavelength range that extends from the visible to the shortwave infrared without reduction in spatial resolution. In addition to the compressive imaging spectrometer design, we present a diffractive model of the architecture that allows us to predict a variety of detailed functional spatial and spectral design features. We present modeling results, architectural design and experimental results that prove the concept.
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Lenore McMackin, Lenore McMackin, Matthew A. Herman, Matthew A. Herman, Tyler Weston, Tyler Weston, "Design of a multi-spectral imager built using the compressive sensing single-pixel camera architecture", Proc. SPIE 9761, Emerging Digital Micromirror Device Based Systems and Applications VIII, 97610G (15 March 2016); doi: 10.1117/12.2212643; https://doi.org/10.1117/12.2212643
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