Source: http://www.jpier.org/PIER/pier.php?paper=11091506
Timestamp: 2019-04-24 02:54:20+00:00

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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.
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