Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19945
Title: Ultra-precision machining technology of freeform optics and its applications
Authors: Lee, WB 
Cheung, CF 
To, S 
Kong, LB
Jiang, JB
Keywords: Freeform measurement
Freeform optics
Integrated system
Optical design
Ultra-precision machining
Issue Date: 2010
Publisher: 中国学术期刊(光盘版)电子杂志社
Source: 红外与激光工程 (Infrared and laser engineering), 2010, v. 39, no. 1, p. 110-115 How to cite?
Journal: 红外与激光工程 (Infrared and laser engineering) 
Abstract: As a breakthrough to the traditional optical design, the application of freeform surface in optical imaging system had greatly improved the imaging quality and transmission efficiency of the optical system. Ultra-precision machining technology provided the solutions to the fabrication of freeform optical element. In the present study, a high precision computation method had been developed to calculate the control points for freeform surface. A tool path generation module was developed for freeform surfaces, as well as an auto NC code generation system. A model-based system was built-up to predict the 3D topography of the surface generation and hence the optimization module was developed to achieve the better surface finish and form accuracy. A series of methods were developed to measure and evaluate the quality of different types of freeform surfaces. Based on the above research results, an integrated system for optical design, fabrication and measurement of freeform optics was established. The present research work will contribute to and advance the development of ultra-precision machining and nano-scale surface measuring of complex freeform surfaces element.
URI: http://hdl.handle.net/10397/19945
ISSN: 1007-2276
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