Volume 11 Issue 4
Jul.  2018
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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

High directional multi-beam organic laser

doi: 10.3788/CO.20181104.0576

the National Natural Science Foundation of China 61605083

Youth Foundation of UESTC Zhongshan Institute 415YJ04

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  • 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
  • Received Date: 2018-03-11
  • Rev Recd Date: 2018-03-30
  • Publish Date: 2018-08-01
  • The advantages of organic lasers with DFB distributed feedback structures have attracted much attention, however, there are few reports on the principle of multi-beam organic lasers using high-order Bragg feedback. Different from single-waveguide or single-beam lasers implemented by low-order Bragg feedback in the past, high-order Bragg feedback is introduced into a planar organic semiconductor waveguide to produce red and blue multi-beam organic lasers in this paper. Using a fourth-order Bragg feedback and PVK:DCJTI film, a three-beam red laser is realized with an exit angle of ±53° and 0.5°. A four-beam blue laser is implemented using a fifth-order Bragg feedback and PS:DSA-ph film with exit angles of ±18° and ±75°. The relationship between higher-order Bragg grating feedback and device characteristics is studied by combination of plane waveguide and grating coupling. The results show that the theoretically calculated beam coupling angle is consistent with the actual test, which provides guidance for the design of multi-beam organic laser devices to some extent.
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