期刊
APPLIED PHYSICS LETTERS
卷 93, 期 17, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.2952765
关键词
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资金
- Global COE program
- Center for Electronic Devices Innovation
- Ministry of Education, Culture, Sports, Science and Technology of Japan
The authors demonstrate local alignment of nematic liquid crystal through the fabrication of local micrograting structures by curing an ultraviolet curable material via a two-photon excitation laser-lithography process. A local twisted-nematic region was prepared using one rubbed and one fabricated micrograting surface and the resulting cell was observed with a polarizing optical microscope. The polarization optical micrographs of the locally fabricated region suggest that liquid crystal molecules align parallel to the grating structure and that local alignment is achieved. We evaluate the anchoring energies of the fabricated microgratings by the torque balance method. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.2952765]
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