Electrically tunable room-temperature 2 pi liquid crystal terahertz phase shifter

Title:	Electrically tunable room-temperature 2 pi liquid crystal terahertz phase shifter
Authors:	Wu, Hsin-Ying Hsieh, Cho-Fan Tang, Tsung-Ta Pan, Ru-Pin Pan, Ci-Ling 電子物理學系光電工程學系 Department of Electrophysics Department of Photonics
Keywords:	liquid crystal (LC) devices;submillimeter wave phase shifters;tunable circuits and devices;ultrafast optics
Issue Date:	1-Jul-2006
Abstract:	Tunable phase shift up to 360 degrees at 1 THz is demonstrated using electrically controlled birefringence in a vertically aligned nematic liquid crystal (E7) cell, 1.83 mm in thickness. The driving voltage and corresponding field required for a phase shift of 360 degrees at 1 THz are 100 V and 90.5 V/cm, respectively.
URI:	http://dx.doi.org/10.1109/LPT.2006.877579 http://hdl.handle.net/11536/12086
ISSN:	1041-1135
DOI:	10.1109/LPT.2006.877579
Journal:	IEEE PHOTONICS TECHNOLOGY LETTERS
Volume:	18
Issue:	13-16
Begin Page:	1488
End Page:	1490
Appears in Collections:	Articles

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