中国激光, 2014, 41 (2): 0209009, 网络出版: 2014-01-21   

基于连续变频技术的三维图像激光打印方法与系统

Method and System of Three-Dimensional Laser Printing Based on Consecutive Spatial Frequency Modulation
作者单位
1 苏州大学现代光学技术研究所, 江苏 苏州 215006
2 苏州大学信息光学工程研究所, 江苏 苏州 215006
摘要
提出了一种基于4f成像系统和衍射光栅结构的连续变频技术,利用该技术设计并制造了一套三维(3D)图像激光打印系统,可实现幅面为15 cm×20 cm的大视角(大于90°)、真彩色3D图像的激光打印输出。分析了3D图像中的变频结构特性,获得了变频结构参数的数学表达式。详细解析了连续变频结构的实现原理,推导了变频规律。通过实验证实了连续变频原理与输出系统的有效性,实现了彩色3D图像的激光打印输出。
Abstract
A consecutive spatial frequency modulation technique using 4f imaging system and diffractive grating is proposed. Based on this technique, a three-dimensional (3D) image printing system is designed and fabricated, by which a large formate (15 cm×20 cm) and true color 3D image with wide view angle (more than 90°) is made. Characteristics of frequency modulation structure in 3D image are analysed. Mathematical expressions with parameters of frequency modulation structure are given. Principles of consecutive spatial frequency modulation are analysed and frequency modulation rules are deduced. Validity of the rules and system of spatial frequency modulation are varified by experiments. Color 3D images are outputed by laser printing system.

楼益民, 陈林森, 魏国军, 浦东林, 叶燕. 基于连续变频技术的三维图像激光打印方法与系统[J]. 中国激光, 2014, 41(2): 0209009. Lou Yimin, Chen Linsen, Wei Guojun, Pu Donglin, Ye Yan. Method and System of Three-Dimensional Laser Printing Based on Consecutive Spatial Frequency Modulation[J]. Chinese Journal of Lasers, 2014, 41(2): 0209009.

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