Liquid-crystal-based terahertz tunable Solc filter.

A broadly tunable terahertz Solc-type birefringence filter is demonstrated. The first central passband frequency of the filter can be continuously tuned from 0.176 to 0.793 THz using magnetically controlled birefringence in nematic liquid crystals. The insertion loss of the present device is about 5 dB.

[1]  J. W. Evans,et al.  Solc Birefringent Filter , 1958 .

[2]  I. Šolc.  Birefringent Chain Filters , 1965 .

[3]  L. Young,et al.  Birefringent Filter for Millimeter Waves , 1968 .

[4]  Frederic J. Kahn,et al.  Orientation of liquid crystals by surface coupling agents , 1973 .

[5]  H. A. Tarry.  Electrically tunable narrowband optical filter , 1975 .

[6]  Diane M. Henderson,et al.  Electro-optic tunable filter (A) , 1979 .

[7]  J. Leroy.  Solc elements in Lyot-Ohman filters , 1980 .

[8]  Amnon Yariv,et al.  Optical Waves in Crystals , 1984 .

[9]  P. Goldsmith,et al.  Quasi-optical techniques , 1992, Proc. IEEE.

[10]  Akhlesh Lakhtakia,et al.  The physics of liquid crystals, 2nd edition: P.G. De Gennes and J. Prost, Published in 1993 by Oxford University Press, Oxford, UK, pp 7,597 + xvi, ISBN: 0-19-852024 , 1995 .

[11]  Martin Koch,et al.  An optically controllable terahertz filter , 2000 .

[12]  J. R. Sambles,et al.  Microwave liquid crystal wavelength selector , 2001 .

[13]  W. R. Tribe,et al.  Transmittance of a tunable filter at terahertz frequencies , 2004 .

[14]  P. Kužel,et al.  Highly tunable photonic crystal filter for the terahertz range. , 2005, Optics letters.

[15]  M. Tani,et al.  Control of enhanced THz transmission through metallic hole arrays using nematic liquid crystal. , 2005, Optics express.

[16]  R. Pan,et al.  A liquid-crystal-based terahertz tunable Lyot filter , 2005, 2005 IEEE LEOS Annual Meeting Conference Proceedings.

[17]  Masayoshi Tonouchi,et al.  Cutting-edge terahertz technology , 2007 .