Low threshold lasing from dye-doped cholesteric liquid crystal multi-layered structures

被引：33
作者：
Takanishi, Yoichi [1 ]
Ohtsuka, Youko [2 ]
Suzaki, Goro [3 ]
Nishimura, Suzushi [3 ]
Takezoe, Hideo [4 ]
机构：
[1] Kyoto Univ, Dept Phys, Sakyo Ku, Kyoto 6068502, Japan
[2] Tokyo Inst Technol, Ctr Adv Mat Anal, Meguro Ku, Tokyo 1528550, Japan
[3] Nippon Oil Corp, Cent Tech Res Lab, Naka Ku, Yokohama, Kanagawa 2310815, Japan
[4] Tokyo Inst Technol, Dept Organ & Polymer Mat, Meguro Ku, Tokyo 1528552, Japan
来源：
OPTICS EXPRESS | 2010年 / 18卷 / 12期
关键词：
PHOTONIC STOP-BAND; LASER PERFORMANCE; EMISSION; FILM;
D O I：
10.1364/OE.18.012909
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We fabricated novel hybrid structures composed of a dye-doped low-molecular-weight cholesteric liquid crystal sandwiched by multilayered polymer cholesteric liquid crystal films and evaluated their lasing characteristics. Lasing was observed with an extremely reduced threshold (12 nJ/pulse) by a factor of 10 compared with that in a simple dye-doped low-molecular-weight cholesteric liquid crystal cell. Lasing characteristics experimentally obtained were discussed by comparing them with the simulated photonic density of states spectra. (C) 2010 Optical Society of America
引用
收藏
页码：12909 / 12914
页数：6
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