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首页> 外文期刊>Applied optics >Improved amplified spontaneous emission by doping of green fluorescent dye C545T in red fluorescent dye DCJTB:PS polymer films
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Improved amplified spontaneous emission by doping of green fluorescent dye C545T in red fluorescent dye DCJTB:PS polymer films

机译：通过在红色荧光染料DCJTB：PS聚合物薄膜中掺杂绿色荧光染料C545T改善了放大的自发发射

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摘要

Amplified spontaneous emission (ASE) characteristics of a red fluorescent dye, 4-(dicy-anomethylene)-2-t-butyl-6(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran (DCJTB), and a green fluorescent dye, (10-(2-benzothiazolyl)-1,1,7,7-tetramethyl-2,3,6,7-tetrahydro-1H,5H,11H-[1] benzopyrano [6,7,8-ij]quinolizin-11-one) (C545T) codoped polystyrene (PS) as the active medium were studied. It was found that the performance of ASE is greatly improved due to the introduction of C545T. By optimizing the concentrations of C545T and DCJTB in PS, an ASE threshold of 0.016 mJ pulse~(-1), net gain of 52.71 cm~(-1), and loss of 11.7 cm~(-1) were obtained. The efficient Forster energy transfer from C545T to DCJTB was used to explain the improvement of the ASE performance in the coguest system.
机译：红色荧光染料4-（双-二亚氨基亚甲基）-2-叔丁基-6（1,1,7,7-四甲基朱螺烷基-9-烯基）-4H-吡喃（DCJTB）的放大自发发射（ASE）特性，和绿色荧光染料，（10-（2-苯并噻唑基）-1,1,7,7-四甲基-2,3,6,7-四氢-1H，5H，11H- [1]苯并吡喃[6,7研究了以（8,8-ij]喹诺嗪-11-酮）（C545T）共掺杂的聚苯乙烯（PS）为活性介质。发现由于引入了C545T，ASE的性能大大提高。通过优化PS中C545T和DCJTB的浓度，获得了0.016 mJ脉冲〜（-1）的ASE阈值，52.71 cm〜（-1）的净增益和11.7 cm〜（-1）的损耗。从C545T到DCJTB的有效Forster能量转移被用来解释在客群系统中ASE性能的提高。

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