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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 6, Iss. 2 — Feb. 1, 2008
  • pp: 90–92

Polymer gratings based on photopolymerization for low-order distributed feedback polymer lasers

Xuanke Zhao, Qingwu Zhao, and Qinghua Zhang  »View Author Affiliations

Chinese Optics Letters, Vol. 6, Issue 2, pp. 90-92 (2008)

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Novel polymer distributed feedback (DFB) gratings are fabricated based on photopolymerization to reduce lasing threshold of polymer lasers. A photopolymer formulation sensitive to 355-nm ultraviolet (UV) light is proposed for the fabrication of polymer gratings and it can be used to form polymer films by spin-coating process. A very low surface-relief depth ranging from 12.5 to about 1.0 nm has been demonstrated with a refractive-index modulation of about 0.012. The experimental results indicate that such polymer gratings have promising potentials for the fabrication of low-order DFB organic semiconductor lasers.

© 2008 Chinese Optics Letters

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(220.0220) Optical design and fabrication : Optical design and fabrication
(250.0250) Optoelectronics : Optoelectronics
(310.0310) Thin films : Thin films

Xuanke Zhao, Qingwu Zhao, and Qinghua Zhang, "Polymer gratings based on photopolymerization for low-order distributed feedback polymer lasers," Chin. Opt. Lett. 6, 90-92 (2008)

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