High pump efficiency of a second-order distributed feedback laser based on holographic polymer dispersed liquid crystals with preferred liquid crystal molecular orientation

doi:10.1039/c8tc03412e

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	High pump efficiency of a second-order distributed feedback laser based on holographic polymer dispersed liquid crystals with preferred liquid crystal molecular orientation
	Liu, L. J.; Kong, X. B.; Wang, Q. D.; Liu, Y. G.; Xuan, L.
	2018
发表期刊	Journal of Materials Chemistry C
ISSN	2050-7526
卷号	6 期号:35 页码:9517-9522
摘要	We report on the fabrication and characterization of a surface-emitting distributed feedback (DFB) organic semiconductor laser based on a holographic polymer dispersed liquid crystal (HPDLC) transmission grating. Specifically, by adopting an acrylate-based monomer with low functionality and a narrower grating, the phase separated liquid crystal (LC) molecules were aligned along the direction of the grating groove, which can exhibit better lasing feedback performance in the HPDLC layer. The device shows single-mode laser emission at 630.4 nm with a threshold of 0.18 J, and the conversion efficiency is 6.4%. The curing intensity, light loss and diffraction efficiency were also investigated for HPDLC structures to identify the effects of the grating period and monomer functionality.
关键词	organic semiconductor-lasers gratings system film Materials Science Physics
DOI	10.1039/c8tc03412e
收录类别	SCI ; EI
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/61011
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	Liu, L. J.,Kong, X. B.,Wang, Q. D.,et al. High pump efficiency of a second-order distributed feedback laser based on holographic polymer dispersed liquid crystals with preferred liquid crystal molecular orientation[J]. Journal of Materials Chemistry C,2018,6(35):9517-9522.
APA	Liu, L. J.,Kong, X. B.,Wang, Q. D.,Liu, Y. G.,&Xuan, L..(2018).High pump efficiency of a second-order distributed feedback laser based on holographic polymer dispersed liquid crystals with preferred liquid crystal molecular orientation.Journal of Materials Chemistry C,6(35),9517-9522.
MLA	Liu, L. J.,et al."High pump efficiency of a second-order distributed feedback laser based on holographic polymer dispersed liquid crystals with preferred liquid crystal molecular orientation".Journal of Materials Chemistry C 6.35(2018):9517-9522.

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