Tailoring the parameters of nanohole arrays in gold films for sensing applications

George C. Schatz; Jeffrey M. McMahon; Stephen K. Gray

doi:10.1117/12.731368

Tailoring the parameters of nanohole arrays in gold films for sensing applications

George C. Schatz, Jeffrey M. McMahon, Stephen K. Gray

Northwestern University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

9 Citations (Scopus)

Abstract

Subwavelength hole arrays in metal films have the potential to exhibit narrow and high refractive index (RI) sensitive transmission features. We have previously demonstrated that such features can arise from the coupling between Wood anomalies (WAs) and surface Plasmon polaritons (SPPs) on opposite sides of the metal film, the "WA-SPP" effect. Rigorous coupled-wave analysis (RCWA) calculations on a 2D model, which are shown to give WA-SPP features very similar to that of 3D Finite-Difference Time-Domain (FDTD) calculations, are performed to determine how system parameters influence the strength of the WA-SPP effect. Herein we show that the optimum values for the film thickness and hole diameter are 45 and 175 nm, respectively.

Original language	English
Title of host publication	Plasmonics
Subtitle of host publication	Metallic Nanostructures and Their Optical Properties V
DOIs	https://doi.org/10.1117/12.731368
Publication status	Published - Dec 1 2007
Event	Plasmonics: Metallic Nanostructures and Their Optical Properties V - San Diego, CA, United States Duration: Aug 26 2007 → Aug 29 2007

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	6641
ISSN (Print)	0277-786X

Other

Other	Plasmonics: Metallic Nanostructures and Their Optical Properties V
Country	United States
City	San Diego, CA
Period	8/26/07 → 8/29/07

Keywords

Extraordinary optical transmission
Periodic hole arrays
Surface plasmons
Wood anomalies

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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Tailoring the parameters of nanohole arrays in gold films for sensing applications. / Schatz, George C.; McMahon, Jeffrey M.; Gray, Stephen K.

Plasmonics: Metallic Nanostructures and Their Optical Properties V. 2007. 664103 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 6641).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Schatz, GC, McMahon, JM & Gray, SK 2007, Tailoring the parameters of nanohole arrays in gold films for sensing applications. in Plasmonics: Metallic Nanostructures and Their Optical Properties V., 664103, Proceedings of SPIE - The International Society for Optical Engineering, vol. 6641, Plasmonics: Metallic Nanostructures and Their Optical Properties V, San Diego, CA, United States, 8/26/07. https://doi.org/10.1117/12.731368

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