物像光栅自拼接技术和自拼接概念应用于光学系统的物理问题研究

项目名称： 物像光栅自拼接技术和自拼接概念应用于光学系统的物理问题研究

项目编号： No.11304296

项目类型： 青年科学基金项目

立项/批准年度： 2014

项目学科： 数理科学和化学

项目作者： 李朝阳

作者单位： 中国科学院上海光学精密机械研究所

项目金额： 25万元

中文摘要： 为满足大口径光学系统的发展需求，自上世纪九十年代起光栅拼接技术在世界范围内呈现出快速发展的态势。申请人本人提出的物像光栅自拼接技术为此项研究的发展开辟了一条全新的途径，得到了国内外同行的认可。该技术使得光栅拼接不再是一项挑战技术极限的难题，同时其光学效果也达到了近理想状态。为实现物像光栅自拼接技术的实际应用，本申请计划研究物像光栅自拼接技术和自拼接概念在不同光学系统中应用时存在的诸多基础物理问题，包括：光场分布，回路振荡，前后向脉冲序列，光学调制，镜像对称条纹密度和面型曲率等。建立上述物理问题的理论模型，进行理论分析，开展实验验证，明确物像光栅自拼接技术和自拼接概念在不同光学系统中应用时存在的潜在问题和具备的独特优势。依据研究结果，解决问题、发挥优势，拓展物像光栅自拼接技术和自拼接概念在众多光学系统中的应用范围。此外，积极开展自拼接概念的移植工作以满足不同光学系统的不同需求。

中文关键词： 拍瓦；啁啾脉冲放大；压缩器；光栅；拼接

英文摘要： To meet the requirement of development of large-aperture optical systems, grating tiling technique has been developed rapidly since the 90's of the last century in the world wide. The object-image grating self-tiling technique proposed by the proposer of this application opens an absolutely new way for the development of this research, which changed grating tiling from a technical problem challenging the limits to a common one and improved the optical effect of grating tiling to the near ideal condition. In order to utilize the object-image grating self-tiling technique in real optical systems, in this application, we plan to research several basic physical problems of the object-image grating self-tiling techique and self-tiling concept for using in different optical systems, which includes distribution of optics field, loop oscillation, forward and backward pulse sequence, optical modulation, mirror symmetry of groove density and surface curvature, and so on. During the research, we will set up the theoretical models of above physical problems, and carry out kinds of theory analysis and experiment verification to confirm the potential problems and the specific advantages of the object-image grating self-tiling technique and self-tiling concept for using in different optical systems. According to the analysis r

英文关键词： petawatt；chirped-pulse amplification；compressor；grating；tiling