One- and two-photon absorption induced emission in HMASPS doped polymer

被引：11
|
作者：
Wang, D [1 ]
Zhou, GY [1 ]
Ren, Y [1 ]
Xu, XG [1 ]
Cheng, XF [1 ]
Shao, ZS [1 ]
Jiang, MH [1 ]
机构：
[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2002年 / 354卷 / 5-6期
关键词：
D O I：
10.1016/S0009-2614(02)00155-0
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The new laser dye trans-4-[p-(N-hydroxyethyl-N-methylamino)styryl]-N-methylpyridinium p-toluene sulfonate (abbreviated as HMASPS) doped in a linear homogenous polymer has been studied by the picosecond pulses from mode-locked Nd:YAG laser. The emission wavelengths of the dye in the polymer are all blue-shifted relative to those in the solution. The fluorescence lifetime of the dye in the polymer after the two-photon excitation is 4.4 ns, which is about 60 times longer than that in solution. Several lasing pulses can be burst from the polymer after one pump pulse, in contrast to the amplified spontaneous emission, where only single pulses are observed. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：423 / 427
页数：5
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