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Proceedings Paper

Porosity effect on surface plasmon resonance from metallic sculptured thin films
Author(s): Ibrahim Abdulhalim; Akhlesh Lakhtakia; Amit Lahav; Fan Zhang; Jian Xu
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Paper Abstract

When a sculptured thin film (STF), made of a metal and ≤ 50 nm thick, is used in lieu of a dense layer of metal in the Kretschmann configuration, experimental data for a STF comprising parallel tilted nanowires shows that a surface plasmon resonance (SPR) can still be excited. As the porosity of the chosen STF increases, experimental data and numerical simulations indicate the SPR dip with respect to the angle of incidence of the exciting plane wave widens and eventually disappears, leaving behind a a vestigial peak near the onset to the total-internal-reflection regime.

Paper Details

Date Published: 10 September 2008
PDF: 5 pages
Proc. SPIE 7041, Nanostructured Thin Films, 70410C (10 September 2008); doi: 10.1117/12.794135
Show Author Affiliations
Ibrahim Abdulhalim, Ben-Gurion Univ. of the Negev (Israel)
Akhlesh Lakhtakia, The Pennsylvania State Univ. (United States)
Amit Lahav, Ben-Gurion Univ. of the Negev (Israel)
Fan Zhang, The Pennsylvania State Univ. (United States)
Jian Xu, The Pennsylvania State Univ. (United States)

Published in SPIE Proceedings Vol. 7041:
Nanostructured Thin Films
Geoffrey B. Smith; Akhlesh Lakhtakia, Editor(s)

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