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Two-dimensional multispectral imager based on tiled arrangement of metallic nanohole arrays

机译:基于金属纳米孔阵列平铺排列的二维多光谱成像仪

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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 near-infrared regime.
机译:我们开发了一种二维多光谱成像仪,该成像仪利用金属膜中纳米孔阵列(NHA)的非凡光学传输来进行分色。 NHA设备由平铺排列的块组成,其中每个块包含多个金属NHA,每个金属NHA具有独特的特征几何形状,从而能够将颜色的混合物分离为不同的光谱带。 NHA设备已集成到光学成像系统中。该系统用于捕获场景的接近视频速率的图像,然后在近红外状态下将场景内的颜色分解为4个光谱带。

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