Influence of liquid crystal alignment material and technology on phase modulation of liquid crystal microwave phase shifter

Xuhui Peng; Yingru Hu; Bo Wu; Peng Li; Jiajin Liu

doi:10.1117/12.2507330

6 February 2019 Influence of liquid crystal alignment material and technology on phase modulation of liquid crystal microwave phase shifter

Xuhui Peng, Yingru Hu, Bo Wu, Peng Li, Jiajin Liu

Author Affiliations +

Proceedings Volume 10842, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Subdiffraction-limited Plasmonic Lithography and Innovative Manufacturing Technology; 108420Y (2019) https://doi.org/10.1117/12.2507330
Event: Ninth International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT2018), 2018, Chengdu, China

Abstract

The microwave phase modulation of liquid crystal depends on the rotation angle of liquid crystal molecules under the external electric field, and the alignment layer on the surface of liquid crystal drive electrode important influence on it. In this paper, the microwave phase modulation characteristics of non-chiral doped nematic liquid crystal under different materials with polar alignment layer and different rubbing alignment conditions are studied. The variation of different frictional strengths and microwave phase-shifts magnitude with the driving voltage of liquid crystal was tested through the test method. It provides a basis for the design of a liquid crystal microwave modulator and the selection of liquid crystal alignment materials.

Citation Download Citation

Xuhui Peng, Yingru Hu, Bo Wu, Peng Li, and Jiajin Liu "Influence of liquid crystal alignment material and technology on phase modulation of liquid crystal microwave phase shifter", Proc. SPIE 10842, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Subdiffraction-limited Plasmonic Lithography and Innovative Manufacturing Technology, 108420Y (6 February 2019); https://doi.org/10.1117/12.2507330

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