Electromagnetic transmission in configurations composed of two one-dimensional perfect electric conductor metal gratings

被引:4
作者
Xu, Ji [1 ,2 ]
Cheng, Chen [1 ,2 ]
Zheng, Zhu [1 ,2 ]
Chen, Jing [3 ,4 ]
Bai, Qiang [1 ,2 ]
Liu, Cong [1 ,2 ]
Wang, Huitian [1 ,2 ,3 ,4 ]
机构
[1] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
[2] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China
[3] Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China
[4] Nankai Univ, Key Lab Weak Light Nonlinear Photon, Tianjin 300071, Peoples R China
基金
中国国家自然科学基金;
关键词
OPTICAL-TRANSMISSION; HOLE ARRAYS; SUBWAVELENGTH; ENHANCEMENT; RESONANCE; SLIT;
D O I
10.3788/COL20100808.0807
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We study transmission properties in configurations composed of two single metal gratings with different thicknesses. Choosing the perfect electric conductor excludes the influence of intrinsic material dispersion on transmission behaviors; and as such, we aim to reveal the contribution of geometric dispersion to electromagnetic transmission. Transmission suppression line, instead of a transmission suppression point, is discovered, denoting the curve of the wavelength versus the interval or the lateral displacement between the two single gratings when the transmission suppression appears. A simplified model is proposed to comprehend the underlying physics of this special phenomenon.
引用
收藏
页码:807 / 810
页数:4
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