Influence of structural parameters on organic semiconducting polymer lasers with an external holographic grating as feedback layer
文献类型：期刊论文
| 作者 | L.J.Liu; X.B.Kong; Y.Q.Liu; L.Sun; L.Xuan |
| 刊名 | Journal of Applied Physics
 |
| 出版日期 | 2019 |
| 卷号 | 126期号:9页码:7 |
| 关键词 | Physics |
| ISSN号 | 0021-8979 |
| DOI | 10.1063/1.5100859 |
| 英文摘要 | We report on the fabrication and characterization of an organic distributed feedback laser excited from a semiconducting polymer gain layer, poly(2-methoxy-5-(2 '-ethyl-hexyloxy)-p-phenyl-envinylene) (MEH-PPV). A holographic polymer dispersed liquid crystal grating is fabricated on top of the homogeneous MEH-PPV layer as an external cavity. We established a model to calculate the confinement factor Gamma. With the change of laser structural parameters (the refractive index of the grating layer, the film thickness of the MEH-PPV layer, etc.), the confinement factor Gamma changes accordingly. It was found that a single longitudinal lasing mode could be observed only when the confinement factor Gamma was in a specific range. Choosing a reasonable thickness of gain film and prepolymer with higher refractive index can obtain a lower threshold emission laser. |
| 语种 | 英语 |
| 源URL | [http://ir.ciomp.ac.cn/handle/181722/63193]  |
| 专题 | 中国科学院长春光学精密机械与物理研究所 |
| 推荐引用方式 GB/T 7714 | L.J.Liu,X.B.Kong,Y.Q.Liu,et al. Influence of structural parameters on organic semiconducting polymer lasers with an external holographic grating as feedback layer[J]. Journal of Applied Physics,2019,126(9):7. |
| APA | L.J.Liu,X.B.Kong,Y.Q.Liu,L.Sun,&L.Xuan.(2019).Influence of structural parameters on organic semiconducting polymer lasers with an external holographic grating as feedback layer.Journal of Applied Physics,126(9),7. |
| MLA | L.J.Liu,et al."Influence of structural parameters on organic semiconducting polymer lasers with an external holographic grating as feedback layer".Journal of Applied Physics 126.9(2019):7. |
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