Optical Filters Based on Nano-Sized Hole and Slit Patterns in Aluminum Films

Daisuke INOUE; Atsushi MIURA; Tsuyoshi NOMURA; Hisayoshi FUJIKAWA; Kazuo SATO; Naoki IKEDA; Daiju TSUYA; Yoshimasa SUGIMOTO; Yasuo KOIDE

doi:10.1587/transele.E99.C.358

Special Section on Progress towards System Nanotechnology

Optical Filters Based on Nano-Sized Hole and Slit Patterns in Aluminum Films

Daisuke INOUE, Atsushi MIURA, Tsuyoshi NOMURA, Hisayoshi FUJIKAWA, Kazuo SATO, Naoki IKEDA, Daiju TSUYA, Yoshimasa SUGIMOTO, Yasuo KOIDE

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Keywords: surface plasmon, nano hole, nano slit, aluminum, extraordinary transmission

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2016 Volume E99.C Issue 3 Pages 358-364

DOI https://doi.org/10.1587/transele.E99.C.358

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Abstract

The optical properties of arrays of nanoholes and nanoslits in Al films were investigated both numerically and experimentally. The choice of Al was based on its low cost and ease of processing, in addition to the fact that it has a higher plasma frequency than gold or silver, leading to lower optical losses at wavelengths of 400 to 500nm.

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