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Two-axis solar tracking accomplished through small lateral translations

机译:通过小的横向平移即可完成两轴太阳跟踪

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摘要

High-concentration solar-power optics require precise two-axis tracking. The planar micro-optic solar concentrator uses a lenslet array over a planar waveguide with small reflective facets at the focal point of each lenslet to couple incident light into the waveguide. The concentrator can use conventional tracking, tilting the entire assembly, but the system geometry also allows tracking by small lateral translation of the lenslet relative to the waveguide. Here, we experimentally demonstrate such microtracking with the existing concentrator optics and present optimized optical designs for systems with higher efficiency and angle range.
机译:高浓度太阳能光学器件需要精确的两轴跟踪。平面微光学太阳能集中器在平面波导上使用小透镜阵列,在每个小透镜的焦点处具有小的反射小平面,以将入射光耦合到波导中。聚光器可以使用传统的跟踪,使整个组件倾斜,但是系统的几何形状还允许通过小透镜相对于波导的小的横向平移来跟踪。在这里,我们用现有的聚光器光学器件实验性地演示了这种微跟踪,并针对具有更高效率和角度范围的系统提出了优化的光学设计。

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