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The Hybrid Coupling Element For Light-Correcting In Natural Light Illumination Systems (NLIS)

机译:自然光照明系统(NLIS)中用于光校正的混合耦合元件

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Sunlight is the most environmental-friendly energy. Through the Natural Light Illumination Systems (NLIS~®), we can guide sunlight indoors to use. However, due to the construction cost of the NLIS~®, the most cost is spent on the optical fiber. Therefore we intend to design an element that can re-shape the beam from the SunLego~® to be narrower, where SunLego~® is the building unit of NLIS~® for light collection. The element consists of two functional optical structures: the first structure is to convert light from SunLego~® to parallel beam, technically, is to convert stray light to parallel. We design the first structure based on free form principle. The second is a fan-shaped structure, which is to reduce the light transmission area , this design is based on the E'tendue principle. The reduction of area means we can use smaller fiber for later light transmission, which is crucial to reduce material cost.
机译:阳光是最环保的能源。通过自然光照明系统(NLIS〜®),我们可以指导室内的阳光使用。但是,由于NLIS®的建造成本,大部分成本花费在光纤上。因此,我们打算设计一种可以将来自SunLego〜®的光束重新整形以使其更窄的元件,其中SunLego〜®是NLIS〜®的集光单元。该元件由两个功能性光学结构组成:第一个结构是将SunLego®的光转换为平行光束,从技术上讲,是将杂散光转换为平行光束。我们根据自由形式原理设计第一个结构。第二个是扇形结构,这是为了减小透光面积,此设计基于E'tendue原理。面积的减少意味着我们可以使用较小的光纤进行以后的光传输,这对于降低材料成本至关重要。

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