Electrically controlled room temperature terahertz phase shifter with liquid crystal
- 26 February 2004
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Microwave and Wireless Components Letters
- Vol. 14 (2), 77-79
- https://doi.org/10.1109/lmwc.2003.819958
Abstract
We present the use of electrically controlled birefringence in a nematic liquid crystal cell for phase shifting of electromagnetic waves up to terahertz frequencies. This device was operated at room temperature and a maximum phase shift of 4.07/spl deg/ was demonstrated at 1.07 THz when the interaction length was 38.6 μm. The driving voltage and corresponding field were 176.8 V (rms) and 589.3 V/cm, respectively.Keywords
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