SURFACE-PLASMON-ENHANCED DIFFRACTION ORDERS IN POLYMER GRATINGS

被引:3
|
作者
FISCHER, B
ROTHENHAUSLER, B
KNOLL, W
机构
[1] RIKEN, INST PHYS & CHEM RES, FRONTIER RES PROGRAM, WAKO, SAITAMA 35101, JAPAN
[2] MAX PLANCK INST POLYMER RES, D-55021 MAINZ, GERMANY
关键词
DIFFUSION; OPTICAL SPECTROSCOPY; SURFACE PLASMONS;
D O I
10.1016/0040-6090(94)06361-3
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Surface-plasmon-enhanced diffraction of index-modulated polymer gratings are used to detect the smallest contrasts in the refractive indices of ultrathin polymer films. The dependence of the enhancement of the diffraction orders on the grating constant, metal and film thickness is studied in detail. The method is the two-dimensional analogue of the forced-Rayleigh-scattering technique, used for example to detect diffusion of bulk polymers undergoing a glass transition.
引用
收藏
页码:247 / 251
页数:5
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