•연구자: 물리학과 최현희
•발표일: 2021.12.17
•DOI: https://doi.org/10.1364/OME.448087
•Yonggi Sim and Hyunhee Choi, Optical Materials Express 12 (Q2), Volume 12, Issue 1 (2022)
•Abstract
Liquid crystals are anisotropic fluids with long-range directional order. They can be easily used to create topological defects, but creating a controlled topological defect is difficult and involves many tasks and complex processes. However, in our study, we were able to easily generate disclinations in the symmetry-breaking boundaries of an azo dye-doped nematic liquid crystal cell owing to photoisomerization and symmetry-breaking isotropic-nematic phase transition. The method proposed here marks the starting point for the easier control of topological defects in liquid crystals.