项目名称: 基于多点干涉的体全息存储与高分辨三维成像技术研究
项目编号: No.61205009
项目类型: 青年科学基金项目
立项/批准年度: 2013
项目学科: 信息四处
项目作者: 王健
作者单位: 哈尔滨工业大学
项目金额: 26万元
中文摘要: 本项目以体全息存储为研究背景,结合微孔的高分辨成像以及微结构在光束聚焦领域的应用,提出一种利用多点干涉构建远场相位差实现离线的高分辨三维成像技术,并系统研究实现该技术的存储系统结构、实验条件及成像特性。深入研究微孔的高分辨成像特性,对不同参数孔阵的远场成像相位分布进行计算与仿真,设计优化的成像孔阵,构建用于多点干涉的物像源。设计微透镜阵列实现参考光束远场多点聚焦,观测聚焦光场特性。采用成分优化、工艺优化、纳米粒子和小分子掺杂等手段制备高灵敏光致聚合物全息存储材料,并研究其综合性能。基于上述研究,设计全息记录技术,优化光路配置,实现在光致聚合物内多点干涉的高质量全息记录,得到实现高分辨三维成像的实验条件,并探索多幅三维全息图存储的复用技术。本研究将进一步扩展体全息存储技术的应用,为大容量实时性的三维目标存储以及小尺度物体的高分辨三维观测应用提供实验基础,具有重要的科学意义和应用价值。
中文关键词: 三维成像;体全息;多点干涉;全息存储材料;
英文摘要: The project is based on the research background of volume holographic storage, combined with high-resolution imaging of pinhole and the application of micro-structure in far-field focus, presents an offline high-resolution three-dimensional imaging technology by use of multi-point coherent to build phase difference in far-field, studies the building of the storage system, the experimental conditions and imaging features, systematically. In-depth study on high-resolution imaging characteristics of pinhole imaging, calculate and simulate the phase distribution of far-field imaging of hole array with different parameters, and design the optimized imaging aperture arrays to provide images source for multi-point interference. Design microlens array to realize the far-field multi-point focus of reference beam,and observe and measure the characteristics of focused light field. The component optimization, method improvement, and doped nanoparticles and small molecules are used to prepare high sensitivity photopolymer holographic storage material, and study its comprehensive performance. Based on the research above, design of holographic recording technology, optimize the configuration of the optical path to achieve high-quality multi-point interference recording in photopolymer, obtaining the experimental conditions cor
英文关键词: three-dimensional imaging;volume holography;multi-point interference;holographic storage material;