项目名称: 基于光学天线的纳米尺度光场调控研究
项目编号: No.11274293
项目类型: 面上项目
立项/批准年度: 2013
项目学科: 数理科学和化学
项目作者: 鲁拥华
作者单位: 中国科学技术大学
项目金额: 86万元
中文摘要: 本项目采用天线理论对金属微纳结构中局域光场、增强发光、增强光谱效应开展研究。结合聚焦矢量光束的独特光学性质,设计并实验研究矢量光束的偏振、位相分布等对光学天线局域光场的影响,以期获得可动态调控的纳米尺度光场分布。通过对光学天线局域电磁态密度的计算分析研究光学天线对发光体增强发光特性的调控。通过远场泄露辐射分布及光谱的测量研究光学天线与发光体之间相互作用的物理规律。进一步拓展光学天线结构在增强发光和高灵敏光谱传感方面的应用研究。
中文关键词: 光学天线;光场调控;纳米激射;表面增强拉曼散射;
英文摘要: In this project,we apply antenna theory to metallic nano-structure investigation of enhanced local magnetoelectric field,illumination and spectrum.Due to its unique polarization and phase properties, vector optical field will be used to manipulate dynamically the locallized electromagnetic field of optical antennas.Optical antenna enhanced quantum emitting will be studied through analyzing the local density of electromagnetic states around the optical antennas.The physics of interaction between optical antenna and quantum emitter will be investigated by the experiments of leakage radiation microscopy and related spectrum measurements.The research will also be extended to apply optical antenna to enhanced luminescence and high-sensitive spectrum sensoring.
英文关键词: Optical antennas;Optical field manipulation;Nano lasing;Surface enhance Raman scattering (SERS);