Local field enhancement by using composite grating with nanogaps

Kunpeng Jiao; Zixuan Xu; He Feng; Di Wu; Feng Xia; Weijin Kong; Maojin Yun

doi:10.1117/12.2527846

9 September 2019 Local field enhancement by using composite grating with nanogaps

Kunpeng Jiao, Zixuan Xu, He Feng, Di Wu, Feng Xia, Weijin Kong, Maojin Yun

Proceedings Volume 11082, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVII; 110821U (2019) https://doi.org/10.1117/12.2527846
Event: SPIE Nanoscience + Engineering, 2019, San Diego, California, United States

Abstract

In this paper, a composite grating with nanogaps was designed to realize local field enhancement. The composite grating consists of a short and a long rod each period, which is seperated by a nanogap with two alternating metal width. And a small rectangle is dug in the middle of long rods. The simulation result shows that the local field can be greatly enhanced. This is because that the plasmonics resonance couple between each metal section occurs. And this nanostructure can be used in improving local field enhancement.

Citation Download Citation

Kunpeng Jiao, Zixuan Xu, He Feng, Di Wu, Feng Xia, Weijin Kong, and Maojin Yun "Local field enhancement by using composite grating with nanogaps", Proc. SPIE 11082, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVII, 110821U (9 September 2019); https://doi.org/10.1117/12.2527846

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