摘要
光子筛是一种新型的纳米成像元件,具有高分辨、质量轻、体积小及易复制的优点,对于成像系统轻量化以及极短波谱区成像具有重要意义。根据解决的具体问题对国内外光子筛研究成果进行分类,从成像对比度的增加、衍射效率的提高、宽光谱成像和高数值孔径光子筛设计等方面详细介绍了光子筛的发展现状,并针对这四方面研究内容分析了目前尚需解决的技术问题。这些问题仍然是今后光子筛研究的主要方向。指出光子筛实用化面临的其他客观存在的问题,并展望了光子筛在天文望远镜、显微镜和光刻等领域的应用前景。
Photon sieve is a new nano-imaging device with the advantages of high resolution,light weight,small size and easy to duplicate.It has great significance for the lightweight imaging system and imaging in very short spectral region.The research results of photon sieve are classified based on problems solved.The development status of photon sieve is introduced,including the increase of image contrast,diffraction efficiency,wide spectral imaging,and design of high numerical aperture photon sieve.The technical problems to be solved of these four aspects are analyzed.It is believed that the main directions are also these problems′ resolution.Other problems of photon sieve application are also pointed out.The applying prospects in telescope,microscope,lithography and other areas of photon sieve are addressed.
出处
《激光与光电子学进展》
CSCD
北大核心
2012年第9期46-50,共5页
Laser & Optoelectronics Progress
基金
国家自然科学基金(61076099)资助课题
关键词
光学器件
光子筛
成像对比度
衍射效率
宽光谱成像
高数值孔径
optical devices
photon sieve
imaging contrast
diffraction efficiency
wide spectral imaging
high numerical aperture
