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Optical design of an LED motorcycle headlamp with compound reflectors and a toric lens

机译:具有复合反射镜和复曲面透镜的LED​​摩托车大灯的光学设计

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An optical design for a new white LED motorcycle headlamp is presented. The motorcycle headlamp designed in this study comprises a white LED module, an elliptical reflector, a parabolic reflector, and a toric lens. The light emitted from the white LED module is located at the first focal point of the elliptical reflector and focuses on the second focal point. The second focal point of the elliptical reflector and the focal point of the parabolic reflector are confocal. We use nonsequential rays to improve the optical efficiency of the compound reflectors. The toric spherical lens allows the device to meet the Economic Commission of Europe, regulation no. 113 (ECE R113). Furthermore, good uniformity is obtained by using aspherical surface optimization of the same toric lens. The reflectivity of the reflector is 95%, and the transmittance of each lens surface is 98%. The average deviation of the high beam is 14.17%, and the optical efficiency is 66.45%. (C) 2015 Optical Society of America
机译:提出了一种用于新型白光LED摩托车前照灯的光学设计。本研究中设计的摩托车前照灯包括一个白色LED模块,一个椭圆形反射镜,一个抛物面反射镜和一个复曲面透镜。从白色LED模块发出的光位于椭圆形反射镜的第一个焦点上,并聚焦在第二个焦点上。椭圆反射器的第二焦点和抛物线反射器的焦点是共焦的。我们使用非连续射线来提高复合反射镜的光学效率。复曲面球面透镜使该设备符合欧洲经济委员会第2号法规的要求。 113(ECE R113)。此外,通过使用同一个复曲面透镜的非球面优化,可以获得良好的均匀性。反射镜的反射率为95%,每个透镜表面的透射率为98%。远光灯的平均偏差为14.17%,光学效率为66.45%。 (C)2015年美国眼镜学会

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