4.6 Article

Improved lasing characteristics of ZnO/organic-dye random laser

Journal

APPLIED PHYSICS LETTERS
Volume 100, Issue 17, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.4705471

Keywords

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Funding

  1. Ministry of Education, Culture, Sports, Science and Technology, Japan [22760050, 23360133]
  2. Iketani Science and Technology Foundation
  3. Grants-in-Aid for Scientific Research [22760050, 23360133] Funding Source: KAKEN

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We investigate the random lasing characteristics of ZnO nanopowder suspended in methanol with the addition of organic-dye molecules. At a certain dye concentration, the random lasing intensity is enhanced, and the excitation threshold power is reduced. These improvements are explained by Forster-type resonant energy transfer from the dye-molecule donor to the ZnO-nanopowder acceptor. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4705471]

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