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Transmission resonances of compound metallic gratings with two subwavelength slits in each period

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成果类型:
期刊论文
作者:
Xiang, Dong*;Wang, Ling-Ling;Li, Xiao-Fei;Wang, Liu;Zhai, Xiang;...
通讯作者:
Xiang, Dong
作者机构:
[Wang, Liu; Zhao, Wei-Wei; Zhai, Xiang; Liu, Zhong-He; Xiang, Dong; Li, Xiao-Fei; Wang, Ling-Ling] Hunan Univ, Sch Phys & Microelect, Changsha 410082, Hunan, Peoples R China.
[Wang, Liu; Zhao, Wei-Wei; Zhai, Xiang; Liu, Zhong-He; Xiang, Dong; Li, Xiao-Fei; Wang, Ling-Ling] Hunan Univ, Key Lab Micronano Phys & Technol Hunan Prov, Changsha 410082, Hunan, Peoples R China.
[Xiang, Dong] Univ S China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.
通讯机构:
[Xiang, Dong] H
Hunan Univ, Sch Phys & Microelect, Changsha 410082, Hunan, Peoples R China.
语种:
英文
关键词:
Extraordinary optical transmission;Near infrared radiation;Resonance;Resonant modes;Subwavelength gratings;Subwavelength structures
期刊:
Optics Express
ISSN:
1094-4087
年:
2011
卷:
19
期:
3
页码:
2187-2192
基金类别:
National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11074069, 90923014, 10874042, 10974050]; Educational Department of Hunan Province, China [09C851]; the "973" National Key Basic Research Program of ChinaNational Basic Research Program of China [2007CB310502-2]; Natural Science Foundation of Hunan Province, ChinaNatural Science Foundation of Hunan Province [09JJ1009]; Aid program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province
机构署名:
本校为其他机构
院系归属:
核科学技术学院
摘要:
Based on the finite-difference time-domain method, we investigate the transmission resonances of compound metallic gratings with two subwavelength slits filled with different dielectrics inside each period in the visible and near infrared regions. The results show that the transmission spectrum is almost a compound of that of two corresponding simple gratings expect for the transmission feature at a certain resonant wavelength, where the Fabry-Pe´rot (FP)-like phenomena have been found both inside the two slits, but the orders of the FP-like modes are different. If the order of the FP-li...

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