基于全息聚合物分散液晶制成的染料掺杂二维六角形光子晶体的空间角度相关激光发射。
Spatial angle dependent lasing from a dye-doped two-dimensional hexagonal photonic crystal made of holographic polymer-dispersed liquid crystals.
作者信息
Luo D, Dai H T, Demir H V, Sun X W, Yang H Z, Ji W
机构信息
School of Electrical and Electronic Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore.
出版信息
Opt Express. 2012 Apr 9;20(8):9058-63. doi: 10.1364/OE.20.009058.
The observation of spatial angle dependent lasing from a dye-doped two-dimensional photonic crystal (2D PC) holographic polymer dispersed liquid crystals made of hexagonal lattice structure is reported. With the increasing output angle of the laser beam in the plane perpendicular to the 2D PC, the lasing wavelength is red-shifted. By analyzing the lasing oscillation trace, we found that the effective lattice constant changes with the output angle, causing the spatial angle dependent lasing.
报道了从由六边形晶格结构制成的染料掺杂二维光子晶体（2D PC）全息聚合物分散液晶中观察到的与空间角度相关的激光发射。随着激光束在垂直于2D PC的平面内输出角度的增加，激光发射波长发生红移。通过分析激光振荡轨迹，我们发现有效晶格常数随输出角度变化，从而导致与空间角度相关的激光发射。
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