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首页> 外文会议>Nonimaging optics: efficient design for illumination and solar concentration XIV >Compact collimators designed with a modified point approximation for light-emitting diodes
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Compact collimators designed with a modified point approximation for light-emitting diodes

机译：紧凑型准直器，设计用于发光二极管的修正点近似值

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摘要

We present a novel freeform lens design method for an application to LED collimating illumination. The method is derived from a basic geometric-optics analysis and construction approach. By using this method, a compact collimated lenses with Aspect Ratio = 0.219 is presented. Moreover, the utility efficiency (UE) inside the angle defined by ideal concentrator hypothesis with different lens-to-LED size ratios for both this lens and TIR lens are presented. A prototype of the collimator lens is also made to verify the practical performance of the lens, which has light distribution very compatible with the simulation results.
机译：我们提出了一种新颖的自由曲面透镜设计方法，用于LED准直照明。该方法源自基本的几何光学分析和构造方法。通过使用此方法，提出了一种纵横比= 0.219的紧凑型准直透镜。此外，还介绍了在理想聚光器假设所定义的角度内，该透镜和TIR透镜具有不同的透镜与LED尺寸比的效用效率（UE）。还制作了准直透镜的原型来验证透镜的实际性能，该透镜的光分布与模拟结果非常兼容。

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