Vector frequency-comb Fourier-transform spectroscopy for characterizing metamaterials

Details Vector frequency-comb Fourier-transform spectroscopy for characterizing metamaterials Vector frequency-comb Fourier-transform spectroscopy for characterizing metamaterials

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008njph...10l3007g&link_type=abstract

New Journal of Physics, Volume 10, Issue 12, pp. 123007 (2008).

Physics

5

Scientific paper

We determine infrared transmission amplitude and phase spectra of metamaterial samples at well-defined incidence and polarization with a vector ('asymmetric') frequency-comb Fourier-transform spectrometer (c-FTS) that uses no moving elements. The metamaterials are free-standing metallic hole arrays; we study their resonances in the 7 13 μm and 100 1000 μm wavelength regions due both to interaction with bulk waves (Wood anomaly) and with leaky surface plasmon polaritons (near-unity transmittance, coupling features and dispersion). Such complex-valued transmission and reflection spectra could be used to compute a metamaterial's complex dielectric function directly, as well as its magnetic and magneto-optical permeability functions.

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