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21 June 2019 Review and analysis of optics for road lighting
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Proceedings Volume 11062, Digital Optical Technologies 2019; 110621U (2019)
Event: SPIE Digital Optical Technologies, 2019, Munich, Germany
In lighting design, freefrom optical element plays a key role due to its considerable degree of freedom. In spite of many methods to design freefrom optical system, the prototype of the system is still important, for describing freefom optics with mathematical equations or optimizing in optical design software. In this paper, we analyze several illumination systems in order to verify that different forms of lens could achieve similar light distribution curves (LDCs). In section 3, an approach to realize IESNA Type I lighting with the help of optimization in Zemax is proposed based on calculating reference LDC. The result shows that the efficiency of the system is 84.27% and the optimized LDC is very near to the desired one.
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Galina Romanova and Xuanlin Qiao "Review and analysis of optics for road lighting", Proc. SPIE 11062, Digital Optical Technologies 2019, 110621U (21 June 2019);

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