Progress In Electromagnetics Research
ISSN: 1070-4698, E-ISSN: 1559-8985
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By V. A. Tolmachev, V. A. Melnikov, А. V. Baldycheva, K. Berwick, and T. S. Perova

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We have built Fabry-Pérot resonators based on microstructured silicon and a liquid crystal. The devices exhibit tuning of the resonance peaks over a wide range, with relative spectral shifts of up to Δλ/λ = 10%. In order to achieve this substantial spectral shift, cavity peaks of high order were used. Under applied voltages of up to 15 V, a variation in the refractive index of the nematic liquid crystal E7 from ΔnLC = 0.12 to ΔnLC = 0.17 was observed. These results may have practical applications in the near-, mid and far-infrared range.

V. A. Tolmachev, V. A. Melnikov, А. V. Baldycheva, K. Berwick, and T. S. Perova, "Electrically Tunable Fabry-Perot Resonator Based on Microstructured Si Containing Liquid Crystal," Progress In Electromagnetics Research, Vol. 122, 293-309, 2012.

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