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Electrically tunable generation of vectorial vortex beams with micro-patterned liquid crystal structures 被引量:1
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作者 冀志超 张心正 +8 位作者 张玉娇 王振华 Irena Drevensek-Olenik Romano Rupp 李威 吴强 许京军The MOE Key Laboratory of Weak-Light Nonlinear Photonics and TEDA Institute of Applied Physics and School of Physics Nankai University 《Chinese Optics Letters》 SCIE EI CAS CSCD 2017年第7期4-8,共5页
We develop a new method for smooth and continuous space-variant alignment of the liquid crystal medium in micro-patterned structures, which is based on a radial micro-structured pattern of polymeric ribbons exhibiting... We develop a new method for smooth and continuous space-variant alignment of the liquid crystal medium in micro-patterned structures, which is based on a radial micro-structured pattern of polymeric ribbons exhibiting out-of-plane orientation with respect to the ITO-coated glass plates. Thanks to the broad range of electrical tunability of the optical retardation for the micro-patterned liquid crystal structures, transformation of the fundamental Gaussian beam into different types of specific beams, including generalized cylindrical vector beams, vortex beams, and vectorial vortex beams, is efficiently demonstrated. 展开更多
关键词 vortex tunable retardation alignment polymeric coated structured ribbon segmented superposition
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