Anomalous transmission through heavily doped conducting polymer films with periodic subwavelength hole array

Tatsunosuke Matsui; Z. Valy Vardeny; Amit Agrawal; Ajay Nahata; Reghu Menon

doi:10.1117/12.680807

3 October 2006 Anomalous transmission through heavily doped conducting polymer films with periodic subwavelength hole array

Tatsunosuke Matsui, Z. Valy Vardeny, Amit Agrawal, Ajay Nahata, Reghu Menon

Author Affiliations +

Proceedings Volume 6323, Plasmonics: Metallic Nanostructures and their Optical Properties IV; 632317 (2006) https://doi.org/10.1117/12.680807
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

We observed resonantly enhanced (or anomalous transmission) terahertz transmission through two-dimensional (2D) periodic arrays of subwavelength apertures with various periodicities fabricated on metallic organic conducting polymer films of polypyrrole heavily doped with PF₆ molecules [PPy(PF6)]. The anomalous transmission spectra are in good agreement with a model involving surface plasmon polariton excitations on the film surfaces. We also found that the resonantly enhanced transmission peaks are broader in the exotic metallic PPy(PF6) films compared to those formed in 2D aperture array in regular metallic films such as silver, indicating that the surface plasmon polaritons on the PPy(PF6) film surfaces have higher attenuation.

Citation Download Citation

Tatsunosuke Matsui, Z. Valy Vardeny, Amit Agrawal, Ajay Nahata, and Reghu Menon "Anomalous transmission through heavily doped conducting polymer films with periodic subwavelength hole array", Proc. SPIE 6323, Plasmonics: Metallic Nanostructures and their Optical Properties IV, 632317 (3 October 2006); https://doi.org/10.1117/12.680807

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