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An optical design method of a fully customizable collimating lens is proposed. The initial model of the complete lens is constructed by two parts. One part is calculated by the… Click to show full abstract
An optical design method of a fully customizable collimating lens is proposed. The initial model of the complete lens is constructed by two parts. One part is calculated by the total internal reflection algorithm; the other part is constructed by trial-and-error method. The lens is further optimized by normal vector correction and high- and low-angle compensation. The optical performance of the fully customizable collimating lens is studied. It is proven to have good collimation performance with a divergence angle of 1.8° at 50% of the maximum luminous intensity; the uniformity is as high as 98.4%.
Journal Title: Applied optics
Year Published: 2022
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