Yuan Rui, Ye Wen-Jiang, Xing Hong-Yu, Li Zhen-Jie, Sun Ting-Ting, Sun Yu-Bao, Zhu Ji-Liang, Xiang Ying, Zhang Zhi-Yong, Cai Ming-Lei
Opt Express. 2018 Feb 19;26(4):4288-4299. doi: 10.1364/OE.26.004288.
The structures of flexodomains, which are similar to optical gratings and can be controlled by the amplitude of applied voltage and temperature, were verified through polarizing microscopy and light diffraction techniques. The properties of the optical grating induced by a bent-core nematic liquid crystal in planar cells with varied cell gaps and pretilt angles were studied. The period of optical grating decreases with the increase in the amplitude of the applied voltage and pretilt angle. In addition, the period increases with the increase in cell gap and temperature. The period of optical grating has a linear relationship with temperature. The continuously adjustable period has the potential to become an important and extended application of optical grating.
挠曲域的结构类似于光栅，可通过施加电压的幅度和温度进行控制，通过偏光显微镜和光衍射技术得到了验证。研究了弯曲核向列相液晶在具有不同盒厚和预倾角的平面盒中诱导产生的光栅特性。光栅周期随施加电压幅度和预倾角的增加而减小。此外，周期随盒厚和温度的增加而增大。光栅周期与温度呈线性关系。这种可连续调节的周期有潜力成为光栅的一种重要且广泛的应用。
