Photonic band-gap effects upon the light emission from a dye-polymer-opal composite

被引：54

作者：

Romanov, SG ^{[1
]}

Maka, T

Torres, CMS

Müller, M

Zentel, R

机构：

[1] Univ Glasgow, Dept Elect & Elect Engn, Glasgow G12 8QQ, Lanark, Scotland

[2] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia

[3] Univ Wuppertal, Inst Mat Sci, D-42097 Wuppertal, Germany

[4] Univ Wuppertal, Dept Elect Engn, D-42097 Wuppertal, Germany

[5] Univ Wuppertal, Dept Chem, D-42097 Wuppertal, Germany

来源：

APPLIED PHYSICS LETTERS | 1999年 / 75卷 / 08期

关键词：

D O I：

10.1063/1.124595

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A polymeric photonic crystal formed by impregnating an opal with a Coumarin 6 dye containing polymer has been prepared and its emission properties studied by angular-resolved photoluminescence. A strong spectral redistribution of the luminescence intensity was observed in the dye-polymer-opal compared to that of the dye-polymer reference sample. The emission spectrum shows a marked distortion compared with the reference sample, which changes with the rotation of the crystal due to the angular dispersion of the stop band. Under increasing optical pumping power, a band of amplified spontaneous emission was observed at the stop-band edge. The angular dispersion of the stop band in the luminescence observed from the back surface exhibits in a strong directionality at the maximum of the dye emission band. (C) 1999 American Institute of Physics. [S0003-6951(99)04934-7].

引用

页码：1057 / 1059

页数：3

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