物理学报2011，Vol.60Issue(8)：479-484,6.
基于全息聚合物分散液晶的有机二维光子晶体激光器的研究
All-organic two-dimensional photonic crystal laser based on holographic polymer dispersed liquid crystals
摘要
Abstract
In this paper,we report a kind of dye-doped two-dimensional photonic crystal based on holographic polymer dispersed liquid crystals （HPDLC） with a lattice constant of 582 nm,which is prepared conveniently with a single step holographic exposure.Under the excitation of a frequency-doubled Nd：yttrium-aluminum-garnet laser operating at a wavelength of 532 nm,optically pumped lasing with narrow bandwidth and low threshold is observed from a 4-（dicyanomethylene）-2-methyl-6-（4-dimethylaminostyryl）-4H-pyran dye-doped two-dimensional photonic crystal.The results show that the emitted lasing peak is centered at about 603 nm with a full width at half maximum of only 0.4 nm,and the threshold energy is about 22.7 μJ,which is evidently lower than the reported previously.The laser bandwidth decreases by a factor of three from 1.4 nm to 0.4 nm compared with that of the dye-doped HPDLC transmission grating.This result exhibits a bright prospect in application of tunable photonic crystal laser.关键词
全息聚合物分散液晶/二维光子晶体激光器/带隙结构/阈值能量Key words
holographic polymer dispersed liquid crystal/two-dimensional photonic crystal laser/band structure/threshold energy分类
数理科学引用本文复制引用
邓舒鹏,李文萃,黄文彬,刘永刚,彭增辉,鲁兴海,宣丽..基于全息聚合物分散液晶的有机二维光子晶体激光器的研究[J].物理学报,2011,60(8):479-484,6.基金项目
国家自然科学基金（批准号：60277033 50473040 19974046 59973020）资助的课题 （）
