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Title: Design and fabrication of freeform reflector for automotive lighting system
Other Title: 汽车照明系统的设计及超精密自由曲面加工技术
Authors: Jiang, J
To, S 
Lee, WB 
Issue Date: 2008
Source: 照明工程学报 (China illuminating engineering journal), 2008, v. 19, no. 3, p. 46-52, 56
Abstract: 随着汽车产业的高速发展和市场的激烈 竞争,现代汽车照明系统对发光效率、安全性能、以及美观的要求也越来越高。汽车照明中的自由曲面反射镜及LED照明系统的设计和加工是至关重要的。有别于 传统光学系统的设计,汽车照明系统的非成像光学的设计是个多学科、复杂的过程。设计结果的好坏直接影响到照明系统的发光效率、能耗、以及汽车的安全性能。 随着光学系统设计和超精密加工技术的进步,越来越多的光学元件采用了非球面以及自由曲面,汽车照明系统的效率以及性能得以极大的提高。本文阐述了汽车照明 的非成像光学系统的设计和超精密加工技术。 
Modern automotive illumination systems require higher efficiency,safety,and good aesthetic features.The design,fabrication and measurement of freeform reflectors and LED secondary optics are critical issues for automotive illumination systems.The non-imaging optical design for the automotive lighting system,which departs from the methods of traditional optical design,is an arisen interdisciplinary field.In order to meet the traffic regulations,unique freeform shapes and geometries should be adopted to create the special legal light pattern.Mean while,high accuracy freeform reflector could not be made by conventional manufacturing process,ultra-precision machining is the method.And the measurement of the freeform surface is also a new area.In this paper,the optical design,fabrication and the measurement of the freeform reflector headlamps are investigated. 
Keywords: Automotive lighting system
LED secondary optics
Freeform reflector
Aspheric lens
Ultra-precision machining technology
Publisher: 中国学术期刊(光盘版)电子杂志社
Journal: 照明工程学报 (China illuminating engineering journal) 
ISSN: 1004-440X
Rights: © 2008 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research use.
© 2008 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
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