Electrically tunable Fabry-Péerot resonator based on microstructured Si containing liquid crystal

Vladimir A. Tolmachev, Vasily Melnikov, Anna V. Baldycheva, Kevin Berwick, Tatiana S. Perova

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


We have built Fabry-Perot 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 Delta lambda/lambda = 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 Delta n(LC) = 0.12 to Delta n(LC) = 0.17 was observed. These results may have practical applications in the near-, mid and far-infrared range.
Original languageEnglish (US)
Pages (from-to)293-309
Number of pages17
JournalProgress in Electromagnetics Research
StatePublished - 2012

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: This work has been supported by the IRCSET, Ireland Postdoctoral Award, the ICGEE Postgraduate Programme and by the Science Foundation Ireland (NAP-94 Programme). Support from the Russian Foundation for Basic Research 09-02-00782, is also gratefully acknowledged. The authors wish to express their appreciation to G. Fedulova for help with sample fabrication, and A. V. Astrova for useful discussions.

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics
  • Radiation


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