Polymerized cholesteric liquid crystal microdisks generated by centrifugal microfluidics towards tunable laser emissions [Invited]  

作　　者：Ya-Hao Ge Yi-Mei Lan Xing-Rui Li Yu-Wei Shan Yu-Jie Yang Sen-Sen Li Chaoyong Yang Lu-Jian Chen 葛亚豪;蓝艺梅;李星锐;单雨威;杨玉洁;李森森;杨朝勇;陈鹭剑(Department of Electronic Engineering,School of Electronic Science and Engineering,Xiamen University,Xiamen 361005,China;Department of Chemical Biology,College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005,China;Institute of Molecular Medicine,School of Medicine,Shanghai Jiao Tong University,Shanghai 200025,China)

机构地区：[1]Department of Electronic Engineering,School of Electronic Science and Engineering,Xiamen University,Xiamen 361005,China [2]Department of Chemical Biology,College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005,China [3]Institute of Molecular Medicine,School of Medicine,Shanghai Jiao Tong University,Shanghai 200025,China

出　　处：《Chinese Optics Letters》2020年第8期28-33,共6页中国光学快报（英文版）

基　　金：supported by the National Natural Science Foundation of China(NSFC)(No.61675172);the Natural Science Foundation of Fujian Province,China(No.2017J01124)。

摘　　要：The method for batch continuous production of polymerized cholesteric liquid crystal(PCLC) microdisks based on centrifugal microfluidics was proposed. The prototype centrifugal microfluidic chip was fabricated by the wetetching technique with a series of ladder-like concentric ring channels whose depths decrease radially. Two types of dye-doped PCLC microdisks with different doping procedures were generated by this method, the tunable lasing properties were characterized, and corresponding potential applications in a micro-cavity laser and optical barcode were demonstrated. The method is also applicable to a broad range of other polymerized materials.

关 键 词：centrifugal microfluidics PCLC microdisks laser emission optical barcode 

分 类 号：O753.2[理学—晶体学]