Porosity effect on surface plasmon resonance from metallic sculptured thin films

Ibrahim Abdulhalim II; Akhlesh Lakhtakia; Amit Lahav; Fan Zhang; Jian Xu

doi:10.1117/12.794135

10 September 2008 Porosity effect on surface plasmon resonance from metallic sculptured thin films

Ibrahim Abdulhalim II, Akhlesh Lakhtakia, Amit Lahav, Fan Zhang, Jian Xu

Proceedings Volume 7041, Nanostructured Thin Films; 70410C (2008) https://doi.org/10.1117/12.794135
Event: NanoScience + Engineering, 2008, San Diego, California, United States

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.

Citation Download Citation

Ibrahim Abdulhalim II, Akhlesh Lakhtakia, Amit Lahav, Fan Zhang, and Jian Xu "Porosity effect on surface plasmon resonance from metallic sculptured thin films", Proc. SPIE 7041, Nanostructured Thin Films, 70410C (10 September 2008); https://doi.org/10.1117/12.794135

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