Enhanced transmittance and fields of a thick metal sandwiched between two dielectric photonic crystals

被引：9

作者：

Du, Gui-qiang ^{[1
,2
]}

Jiang, Hai-tao ^{[1
,3
]}

Wang, Li ^{[1
,4
]}

Wang, Zhan-shan ^{[1
,3
]}

Chen, Hong ^{[1
,3
]}

机构：

[1] Tongji Univ, Pohl Inst Solid State Phys, Shanghai 200092, Peoples R China

[2] Shandong Univ Weihai, Sch Space Sci & Phys, Weihai 264209, Peoples R China

[3] Tongji Univ, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R China

[4] Liaocheng Univ, Sch Media & Commun Technol, Liaocheng 252059, Shandong, Peoples R China

来源：

JOURNAL OF APPLIED PHYSICS | 2010年 / 108卷 / 10期

关键词：

EXTRAORDINARY OPTICAL-TRANSMISSION; SUBWAVELENGTH HOLE ARRAYS; SURFACE-WAVE; FILM; INTERFACE; RESONANCE;

D O I：

10.1063/1.3512903

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We demonstrated that transmittance and field intensities of a thick metal sandwiched between two dielectric photonic crystals (PCs) can be enhanced by more than two orders of magnitude and by nearly 20 times, respectively, compared to a single metal layer with the same thickness. Under the tunneling mechanism, the light can enter the sandwiched structure without reflection and localizes at the two interfaces of the metal film and PCs. This configuration of fields facilitates the reduction of absorption in the metal. Experimental results are in good agreement with simulations. (C) 2010 American Institute of Physics. [doi:10.1063/1.3512903]

引用

页数：4

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