V.A. Tolmachev, V.A. Melnikov, A.V. Baldycheva, K. Berwick, T.S. Perova, Electrically tunable Fabry-Pérot resonator based on microstrcutured Si containing liquid crystal, Progress In Electromagnetic Research, PIER, 122, 2012, 293 - 309
Progress In Electromagnetic Research, PIER 122
We have built Fabry-Pérot resonators based on mi-crostructured silicon and a liquid crystal. The devices exhibit tuning of the resonance peaks over a wide range, with relative spectral shifts of up to ∆λ/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 ∆nLC = 0.12 to ∆nLC = 0.17 was observed. These results may have practical applications in the near-, mid and far-infrared range.
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