CST – Computer Simulation Technology

Investigations on 77GHz Tunable Reflectarry Unit Cella with Liquid Crystal
A. Moessinger, R. Marin, J. Freese, S. Mueller, A. Manabe, R. Jakoby
First European Conference on Antennas and Propagation, 2006. EuCAP 2006.
Nov. 2006
1 - 4
reflectarray, nematic liquid crystal, electronically reconfigurable
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.

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