Laser performance studies of para-(phenylene-ethynylene) polymers in organic solvents

被引：38

作者：

Holzer, W ^{[1
]}

Penzkofer, A ^{[1
]}

Gong, SH ^{[1
]}

Davey, AP ^{[1
]}

Blau, WJ ^{[1
]}

机构：

[1] UNIV DUBLIN TRINITY COLL,DEPT PURE & APPL PHYS,DUBLIN 2,IRELAND

来源：

OPTICAL AND QUANTUM ELECTRONICS | 1997年 / 29卷 / 07期

关键词：

D O I：

10.1023/A:1018500910762

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The lasing performance of the polymers poly(2, 5-dioctadecyloxy-paraphenylene-ethynylene-co-2, 5-thienyl) (OPT) and poly(2,5-dioctadecyloxy-paraphenylene-ethynylene-co-2,5-pyridinyl) (OPP) in organic solvents was studied. A two-mirror resonator was transversally pumped using single pulses of the second harmonic of a mode-locked ruby laser. OPT in tetrahydrofuran lased in the region from 480 nan to 525 nm and OPP in tetrahydrofuran showed laser action in the region from 460 nm to 490 nm. The polymer solutions are characterized by absorption and fluorescence spectroscopic analysis. Effective stimulated emission cross-sections are reported. High excited-state absorption cross-sections and residual ground-state absorption reduce the lasing efficiency.

引用

页码：713 / 724

页数：12

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