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Proceedings Paper

Propagation effects of surface waves on periodic chromium structures
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Paper Abstract

We have investigated the propagation of TM-polarized light through periodic Chromium structures. The fabrication of periodic structures was performed with electron-beam lithography. The Chromium layer covered with Chromium Oxide is opaque. Typical slit widths of the periodic structures are varied between 100nm and 400nm. The periods are ranged between 500nm and 10μm. To analyze these structures we have performed FDTD-modeling for wavelengths in the visible and infrared spectral range. The near field region behind these structures was modeled. The propagation of surface waves was observed. Furthermore spectral measurements on periodic structures with varying periods are carried out. We propose a method for the determination of propagation lengths of surface waves across the interfaces of the metal layer. The experimental findings were compared with FDTD modeling. Resonances of the surfaces waves were also modeled with a RCWA algorithm. A comparison between the numerical findings and the experimentally achieved results will be given.

Paper Details

Date Published: 15 September 2004
PDF: 8 pages
Proc. SPIE 5450, Photonic Crystal Materials and Nanostructures, (15 September 2004); doi: 10.1117/12.545610
Show Author Affiliations
Peter Triebel, JENOPTIK Laser, Optik, Systeme GmbH (Germany)
Peter Weissbrodt, JENOPTIK Laser, Optik, Systeme GmbH (Germany)
Stefan Nolte, Friedrich-Schiller-Univ. Jena (Germany)
Andreas Tunnermann, Friedrich-Schiller-Univ. Jena (Germany)

Published in SPIE Proceedings Vol. 5450:
Photonic Crystal Materials and Nanostructures
Richard M. De La Rue; Pierre Viktorovitch; Clivia M. Sotomayor Torres; Michele Midrio, Editor(s)

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