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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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LED扩展光源均匀照明的透镜设计
DOI: 10.11830/ISSN.1000-5013.2013.06.0632
Keywords: 光学设计, 发光二极管, 扩展光源, 透镜, 边缘光线原理
Abstract:
提出一种用发光二极管(LED)扩展光源设计旋转对称透镜的简易方法,并建立旋转对称的光学模型.根据边缘光线原理,反向延长扩展光源边缘与透镜边缘的光线交于一点,定义该点作为点光源,并结合Snell折射定律矢量形式和逐次逼近法,建立光源与接收面的对应关系.设定透镜自由曲面的初始点坐标,用Matlab软件逐一算出其余各个点坐标,最后连接各个点成为透镜的自由曲面,通过Light Tools光学软件建模与蒙特卡罗光线追击.结果表明:此方法设计出的旋转对称透镜可在1 m距离处,实现半径为578 mm的均匀圆形光斑.
| [1] | 毛兴武,张艳雯,周建军,等.新一代绿色光源LED及其应用技术[M].北京:人民邮电出版社,2008:25-52.
|
| [2] | 李建功,郭震宁,董菁菁,等.一种圆形导光板散射网点的设计与仿真[J].华侨大学学报:自然科学版,2013,33(5):495-498.
|
| [3] | DROSS O,MOHEDANO R,BENITEZ P,et al.Review of SMS design methods and real world applications[J].Proc SPIE,2004,5529:35-47.
|
| [4] | BENITEZ P,MINANO J C,BLEN J,et al.Simultaneous multiple surface optical design method in three dimensions[J].Optical Engineering,2004,43(7):1489-1502.
|
| [5] | FOURNIER F R,CASSARLY W J,ROLLAND J P.Designing freeform reflectors for extended sources[J].Proc SPIE,2009,7423:742302(1-12).
|
| [6] | WANG Hong,WANG Hai-hong,DU Nai-feng,et al.Study on optical design method for LED extended sources[J].Proc SPIE,2010,7655:765536(1-6).
|
| [7] | RICH H,RABL A.Edge-ray principle of nonimaging optics[J].Optical Society of America,1994,11(10):2627-2632.
|
| [8] | RIES H R,WINSTON R.Tailored edge-ray reflectors for illumination[J].Optical Society of America,1994,11(4):1260-1264.
|
| [9] | SUN Xu-tao,ZHENG Zhen-rong,LIU Xu,et al.Etendue analysis and measurement of light source with elliptical reflector[J].Displays,2006,27(2):56-61.
|
| [10] | WINSTON R,MINANO J C,BZNITEZ P,et al.Nonimaging optics[M].New York:Elsevier-Academic Press,2005:112-118.
|
| [11] | 罗毅,张贤鹏,王霖,等.半导体照明中的非成像光学及其应用[J].中国激光,2008,35(7):963-971.
|
| [12] | MORENO I,TZONCHEV R I.Effects on illumination uniformity due to dilution no arrays of LEDs[J].Proc SPIE,2004,5529:268-275.
|
| [13] | ONG P T,GORDON J M,RABL A,et al.Tailored edge-ray design for uniform illumination of distant targets[J].Opt Eng,1995,34(6):1726-1737.
|
| [14] | 蒋金波,杜雪,李荣彬.自由曲面LED路灯透镜设计[J].液晶与显示,2008,23(5):589-594.
|
| [15] | 张以谟.应用光学[M].北京:电子工业出版社,2010:203-205.
|
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