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Experimental verification of enhanced transmission through two-dimensionally corrugated metallic films without holes
Benfeng Bai1, Lifeng Li, Lijiang Zeng
1State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084, China. bbf01@mails.tsinghua.edu.cn
Abstract:
We present experimental results to verify extraordinary optical transmission through two-dimensionally periodic, corrugated metallic films without holes as predicted by Bonod et al. [Opt. Express 11, 482 (2003)]. We also experimentally confirmed that using symmetric structures (metallic films sandwiched between two identical dielectric media) is advantageous for boosting the coupling of surface plasmons so as to create strong transmission peaks.
