標題: The refractive indices of nematic liquid crystal 4'-n-pentyl-4-cyanobiphenyl in the THz frequency range
作者: Pan, RP
Tsai, TR
Chen, CY
Wang, CH
Pan, CL
電子物理學系
光電工程學系
Department of Electrophysics
Department of Photonics
關鍵字: 5CB;birefringenc;far infrared;liquid crystal;THz;time-domain spectroscopy
公開日期: 2004
摘要: The terahertz (THz) refractive indices of a liquid crystal 4'-n-pentyl-4-cycazobiphenyl (5CB) in both of the nematic and isotropic phases were deters mined by terahertz (THz) time-domain spectroscopy for the first time, to our knowledge. We find that the extinction coefficient of 5CB is negligibly small in this frequency range. The birefringence of 5CB, on the other hand, is as large as 0.2. This is comparable to that of 5CB in. the visible and near M. The experimental results indicate that liquid crystals are potentially useful for device applications in the THz frequency range.
URI: http://hdl.handle.net/11536/27189
http://dx.doi.org/10.1080/15421400490431039
ISSN: 1058-725X
DOI: 10.1080/15421400490431039
期刊: MOLECULAR CRYSTALS AND LIQUID CRYSTALS
Volume: 409
起始頁: 137
結束頁: 144
顯示於類別:會議論文


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