Foundation of Research and Technology-Hellas (FORTH), Institute of Electronic Structure and Laser (IESL), Heraklion, Greece.
Opt Lett. 2013 Sep 1;38(17):3253-6. doi: 10.1364/OL.38.003253.
A polymer/liquid crystal-based fiber Bragg grating (PLC-FBG) is fabricated with visible two-beam holography by photo-induced modulation of a prepolymer/liquid crystal solution infiltrated into the hollow channels of a solid core photonic crystal fiber (PCF). The fabrication process and effects related to the photonic bandgap guidance into the infiltrated PCF, and characterization of the PLC-FBG, are discussed. Experimental data presented here demonstrate that the liquid crystal inclusions of the PLC-FBG lead to high thermal and bending sensitivities. The microscopic behavior of the polymer/liquid crystal phase separation inside the PCF capillaries is examined using scanning electron microscopy, and is discussed further.
一种基于聚合物/液晶的光纤布拉格光栅（PLC-FBG）是通过可见光双光束全息术制造的，方法是用光感应调制预先聚合/液晶溶液，将其注入到实心芯光子晶体光纤（PCF）的中空通道中。讨论了光纤布拉格光栅的制造工艺和与光子带隙引导到注入 PCF 相关的影响，以及 PLC-FBG 的特性。这里呈现的实验数据表明，PLC-FBG 中的液晶包合物导致了高的热和弯曲灵敏度。使用扫描电子显微镜检查了 PCF 毛细管内聚合物/液晶相分离的微观行为，并进一步进行了讨论。
