| 金属光栅表面增强喇曼散射TE模的计算分析 |
| |
| 引用本文： | 胡国进,胡秀霞,聂义友.金属光栅表面增强喇曼散射TE模的计算分析[J].光子学报,2007,36(6):1138-1141. |
| |
| 作者姓名： | 胡国进 胡秀霞 聂义友 |
| |
| 作者单位： | 江西师范大学,物理与通信电子学院,南昌,330027;江西教育学院,南昌,330029;江西农业大学,南昌,330046;江西师范大学,物理与通信电子学院,南昌,330027;江西省光电子与通信重点实验室,南昌,330027 |
| |
| 基金项目： | 江西省自然科学基金
,
江西省教育厅科研项目 |
| |
| 摘 要： | 以纳米量级金属履带矩形光栅为模型,研究了表面增强喇曼散射的特性.针对TE模的入射光,采用耦合波原理对金属表面的衍射场进行了讨论,并用数值计算方法讨论了光栅周期、光栅深度等参量对表面增强的影响以及增强因子随第一级瑞利系数的变化关系.结果表明：在入射光波长为700 nm、光栅周期p=400 nm、 光栅深度d=150 nm、占空比为1/3、入射角度为10°时,获得最大增强,增强因子G可达102.
|
| 关 键 词： | 喇曼光谱 表面增强喇曼散射 纳米 矩形光栅 耦合波 |
| 文章编号： | 1004-4213（2007）06-1138-4 |
| 收稿时间： | 2006-01-12 |
| 修稿时间： | 2006-01-12 |
Analysis of Surface-Enhanced Raman Scattering for Incoming Light of TE Model |
| |
| HU Guo-jin,HU Xiu-xia,NIE Yi-you.Analysis of Surface-Enhanced Raman Scattering for Incoming Light of TE Model[J].Acta Photonica Sinica,2007,36(6):1138-1141. |
| |
| Authors: | HU Guo-jin HU Xiu-xia NIE Yi-you |
| |
| Abstract: | The features of SERS was studied by taking nanometer grade silver tract rectangular raster as a model.For incoming light of TE mode,the strict coupling wave principle was adopted to compute the metal surface diffraction field,and the influence on surface enhancement by raster cycle,depth,space-occupying rate,wavelength and angle of incoming light was discussed by numerical calculation.The result shown that:when the input wavelength is 700 mm,grating periode p is 400 nm,grating depth d is 150,duty ratio is 1/3,input angle is 10°,enhancement factor G reaches the maximum,is 10－2 |
| |
| Keywords: | Raman spectrum Surface-enhanced Raman scattering Nanometer Rectangular raster Coupling wave |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《光子学报》浏览原始摘要信息 |
| 点击此处可从《光子学报》下载免费的PDF全文 |
|
