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Scaling of the LED collimators with folded multiple reflections

机译:折叠多次反射的LED准直器的缩放

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We investigate the parametrical scaling of LED collimators with folded multiple reflections, described by rational Bezier spline. One can scale the collimator linearly with source size (maintaining residual divergence). Scaling factor should be calculated from etendue conservation if one needs to scale the collimator for a different residual divergence. Both up- and downscaling the collimator (reducing the collimator diameter to obtain the design with larger divergence and vice versa) are considered. Concentrator shape cannot be linearly scaled if we change the material (for example polycarbonate is used in design instead of PMMA). Method allows rapid development of collimating optics.
机译:我们研究了具有折叠多次反射的LED准直器的参数缩放,由有理Bezier样条曲线描述。可以根据光源的大小线性缩放准直仪(保持残留散度)。如果需要根据不同的残留散度对准直仪进行缩放,则应根据集光率守恒计算缩放系数。同时考虑了按比例放大和缩小准直仪(减小准直仪直径以获得更大发散度的设计,反之亦然)。如果更改材料,则浓缩器的形状无法线性缩放(例如,设计中使用聚碳酸酯代替了PMMA)。该方法允许快速开发准直光学器件。

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