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首页> 外文期刊>Advanced Optical Materials >A Slim Polymer Film with a Seamless Panoramic Field of View: The Radially Distributed Waveguide Encoded Lattice (RDWEL)
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A Slim Polymer Film with a Seamless Panoramic Field of View: The Radially Distributed Waveguide Encoded Lattice (RDWEL)

机译：具有无缝全景视野的超薄聚合物膜：径向分布的波导编码晶格（RDWEL）

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摘要

The nearly hemispherical field of view (FOV) of arthropodal compound eyes has inspired analogs ranging from curved, lens-patterned domes to planar constructs patterned with microlenses. A radial distribution of cylindrical waveguides that monotonically spans +/- 33 degrees confers an FOV of 115 degrees to a slim (= 3 mm) polymer film. This is the greatest panoramic FOV reported for any plane-faced, single-component structure. The radially distributed waveguide encoded lattice (RDWEL) waveguides are inscribed in a single, room-temperature step by a large (approximate to 15 000 cm(-2)), converging population of self-trapped incandescent beams elicited in a photopolymerizable epoxide fluid. Because the resulting waveguides are multimoded and polychromatic, the RDWEL operates at all visible wavelengths emitted by broadband (e.g., ambient sunlight) and narrow ranged (e.g., light emitting diodes (LEDs), lasers) sources. Due to the overlap of the angular acceptance ranges between neighboring waveguides, the structure captures light incident at any angle within its FOV. Distinct in the field, the RDWEL confers an exceptionally large, seamless FOV for all visible wavelengths to a planar, single-component, flexible and robust slim film. It therefore holds considerable potential as coatings for enhanced light capture (solar cells), beam shaping (LEDs, projectors), and imaging (smart phones, microscopes, and endoscopes).
机译：节肢动物复眼的近半球视野（FOV）启发了类似物，其范围从弯曲的透镜图案的圆顶到微透镜图案的平面构造。单调跨越+/- 33度的圆柱波导的径向分布使薄的（<= 3毫米）聚合物膜的FOV为115度。这是任何平面，单组件结构报告的最大全景FOV。径向分布的波导编码晶格（RDWEL）波导在一个室温步骤中被大（约15,000 cm（-2））会聚，聚集在可光聚合的环氧流体中引发的自陷白炽光束聚集。由于所得的波导是多模且多色的，因此RDWEL在宽带（例如，环境日光）和窄范围（例如，发光二极管（LED），激光器）发射的所有可见波长下工作。由于相邻波导之间的角度接受范围重叠，因此该结构捕获在其FOV内以任何角度入射的光。 RDWEL在现场与众不同，它赋予了所有可见波长的超大无缝无缝视场，使之成为平面，单组分，柔性且坚固的薄型薄膜。因此，作为增强光捕获（太阳能电池），光束整形（LED，投影仪）和成像（智能手机，显微镜和内窥镜）的涂料，它具有巨大的潜力。

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