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High directional multi-beam organic laser

HAO Ya-ru DENG Zhao-qi

郝亚茹, 邓招奇. 高度方向性多光束有机激光[J]. 中国光学, 2018, 11(4): 576-581. doi: 10.3788/CO.20181104.0576
引用本文: 郝亚茹, 邓招奇. 高度方向性多光束有机激光[J]. 中国光学, 2018, 11(4): 576-581. doi: 10.3788/CO.20181104.0576
HAO Ya-ru, DENG Zhao-qi. High directional multi-beam organic laser[J]. Chinese Optics, 2018, 11(4): 576-581. doi: 10.3788/CO.20181104.0576
Citation: HAO Ya-ru, DENG Zhao-qi. High directional multi-beam organic laser[J]. Chinese Optics, 2018, 11(4): 576-581. doi: 10.3788/CO.20181104.0576

高度方向性多光束有机激光

doi: 10.3788/CO.20181104.0576
基金项目: 

the National Natural Science Foundation of China 61605083

Youth Foundation of UESTC Zhongshan Institute 415YJ04

详细信息
    作者简介:

    郝亚茹(1981-), 女, 河北石家庄人, 博士, 讲师, 主要从事应用光学和计算机模拟方面的研究。E-mail:fengyunxiaohao@foxmail.com

    邓招奇(1981—), 男, 江苏宜兴人, 硕士, 讲师, 主要从事应用光学和计算机模拟方面的研究。E-mail:yeyunxiaopan@foxmail.com

  • 中图分类号: O439

High directional multi-beam organic laser

Funds: 

the National Natural Science Foundation of China 61605083

Youth Foundation of UESTC Zhongshan Institute 415YJ04

More Information
    Author Bio:

    HAO Yaoru, female, is a lecture.She received her Ph.D.degree in optics engineering in 2009 at Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences.Her special fields are applied optics and computer simulation.E-mail:fengyunxiaohao@foxmail.com

    DENG Zhaoqi, male, is a lecture.He received his M.Sc.degree in optics engineering in 2007 at Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences.His special fields are applied optics and computer simulation.E-mail:yeyunxiaopan@foxmail.com

    Corresponding author: DENG Zhaoqi, E-mail:yeyunxiaopan@foxmail.com
  • 摘要: 采用DFB分布反馈结构的有机激光由于其自身优点备受关注,而利用高阶布拉格反馈的多光束有机激光及其原理鲜有报道。不同于以往的低阶布拉格反馈形成单波导或单光束激光,本文通过在平面有机半导体波导引入高阶布拉格反馈分别制备了红色和蓝色多束有机激光器。利用四阶布拉格反馈和PVK:DCJTI薄膜实现三光束红光激光器,出射角度为±53°和0.5°。利用五阶布拉格反馈和PS:DSA-ph薄膜实现四光束蓝光激光器,出射角度为±18°和±75°。融合平面波导与光栅耦合的机理,研究了高阶布拉格光栅反馈与器件特性之间的关系。结果表明,理论计算的光束耦合角度和实际测试相符,结果在一定程度上为多光束有机激光器件的设计提供了参考。
  • Figure  1.  DFB structure(Λ=740 nm) scanned by atomic force microscope

    Figure  2.  Absorption and photoluminescence spectra of the PVK:DCJTI film

    Figure  3.  Emission spectra of PVK:DCJTI system pumped by optically pulsed laser at above lasing threshold.The inset shows the photograph of the far field pattern

    Figure  4.  Output emission intensity integrated over all wavelengths as a function of pump intensity for PVK:DCJTI film, from which we get the threshold of laser is 0.02 mJ/pulse.The inset shows the emission spectra of PVK:DCJTI system pumped by optically pulsed laser at different pump intensity

    Figure  5.  Graphical determination of the possible oscillation wavelengths for the DFB laser(PVK:DCJTI) in a multimode optical waveguide.Curves show the effective refractive index of the various TE and TM waveguide modes as a function of wavelength.The shaded region shows the approximate wavelength range over which the DCJTI exhibits gain.Intersection of the straight line with the dispersion curves describes the possible oscillation wavelengths

    Figure  6.  Grating coupling process between the waveguide mode and laser emission under the fourth Bragg condition

    Figure  7.  Output emission intensity integrated over all wavelengths as a function of pump intensity for PS:DSA-ph film.The inset shows the emission spectra of PS:DSA-ph system pumped by optically pulsed laser at different pump intensity

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出版历程
  • 收稿日期:  2018-03-11
  • 修回日期:  2018-03-30
  • 刊出日期:  2018-08-01

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