دانلود مقاله ISI انگلیسی شماره 146756
عنوان انگلیسی
The design of LED rectangular uniform illumination lens system
کد مقاله سال انتشار تعداد صفحات مقاله انگلیسی
146756 2017 16 صفحه PDF
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Optik - International Journal for Light and Electron Optics, Volume 144, September 2017, Pages 251-256

پیش نمایش مقاله
پیش نمایش مقاله

چکیده انگلیسی

Freeform lenses are playing a more and more important role in LED secondary optics design. In this paper, based on the lighting-energy conservation law, edge-ray principle and Snell's law, we present a freeform lens optical system design method for LED lighting. This system can achieve rectangular lighting area, and it is easier to precisely control the angle of light emitting and processing, with the advantages of uniform illumination. The software Matlab and Rhino were used to get the model of lens, and the PMMA was used as the material to design lens model. Finally, the numerical simulation results showed that the spot shape was close to the expected results.