CST – Computer Simulation Technology

Investigations on 77GHz Tunable Reflectarry Unit Cella with Liquid Crystal

Title:
Investigations on 77GHz Tunable Reflectarry Unit Cella with Liquid Crystal
Author(s):
A. Moessinger, R. Marin, J. Freese, S. Mueller, A. Manabe, R. Jakoby
Source:
First European Conference on Antennas and Propagation, 2006. EuCAP 2006.
Vol./Issue/Date:
Nov. 2006
Year:
2006
Page(s):
1 - 4
Keywords:
reflectarray, nematic liquid crystal, electronically reconfigurable
Abstract:
This paper presents investigations conducted with tunable reflectarray unit cells based on nematic liquid crystals (LC), at frequencies around 77 GHz. The structure of the cells is presented, as well as their performance as measured in a waveguide simulator setup. Encouraging results with tunable phase ranges as high as 280° with tuning voltages of up to 15V have been achieved. The investigated tunable unit cells will be used in electronically reconfigurable reflectarrays.
Document:

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