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Analysis of propagation loss of metallic photonic crystal waveguides

Metallic waveguides can be constructed with sidewalls consisting of metallic rods instead of sheets. The attenuation constants and bandwidths of such waveguides are calculated for a fixed cutoff frequency while the radii of the metallic rods are varied. The propagation losses are found to decrease when the radii of the rods is increased. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2942–2945, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23844