桂林电子科技大学学报2011，Vol.31Issue(4)：307-310,4.
基于波前编码技术的对数位相掩膜板设计
Design of a logarithmic phase plate based on wave-front coding
摘要
Abstract
For extending depth-of-field, the wave-front coding theory was studied and an approximate model of logarithmic phase plate based on the stationary phase method was obtained. By defining the angle in Hilbert space to measure the similarity between two objective functions , the optimum values of the logarithmic phase plate were obtained. The MTF and the spot diagrams of the image system with the logarithmic phase plate were analyzed. Experimental results demonstrate that the new approach can make the defocus invariable and extend the depth-of-filed.关键词
对数位相掩膜板/景深扩大/波前编码Key words
logarithmic phase plate/ extend depth-of-field/ wave-front coding分类
机械制造引用本文复制引用
李宏周,彭智勇,刘建明..基于波前编码技术的对数位相掩膜板设计[J].桂林电子科技大学学报,2011,31(4):307-310,4.基金项目
国家自然科学基金(60762002) （60762002）
