LAMELLAR METALLIC GRATING ANOMALIES

被引:32
作者
POPOV, E [1 ]
TSONEV, L [1 ]
MAYSTRE, D [1 ]
机构
[1] UNIV AIX MARSEILLE 3, FAC SCI & TECH ST JEROME, OPT ELECTROMAGNET LAB, F-13397 MARSEILLE 20, FRANCE
来源
APPLIED OPTICS | 1994年 / 33卷 / 22期
关键词
D O I
10.1364/AO.33.005214
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A detailed numerical investigation of anomalies in lossy metallic lamellar gratings is presented in a large interval of a wavelength-to-period lambda/d ratio. A substantial increase in absorption (a decrease in the total diffracted energy) is observed. If lambda/d is small enough (within the homogenized limit), the absorption can reach almost 100%. When the groove width is large enough, the anomalies are connected with mode resonances inside the grooves.
引用
收藏
页码:5214 / 5219
页数:6
相关论文
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