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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 18 — Aug. 27, 2012
  • pp: 20698–20704

Surface plasmon-enhanced lasing in dye-doped cholesteric liquid crystals

Cheng-Yu Shih and Hui-Chen Yeh  »View Author Affiliations

Optics Express, Vol. 20, Issue 18, pp. 20698-20704 (2012)

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This study shows the results of a photonic band-edge laser using dye-doped cholesteric liquid crystals (CLCs) combined with silver (Ag) nanoparticles. When the Ag nanoparticle surface plasmon resonance wavelength matched the excitation source wavelength, the large optical fields provided by surface plasmons increased the fluorescence of dye molecules by enhancing the molecular excitation rate, achieving a low lasing threshold and high pumping efficiency.

© 2012 OSA

OCIS Codes
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(160.3710) Materials : Liquid crystals
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Lasers and Laser Optics

Original Manuscript: August 6, 2012
Revised Manuscript: August 22, 2012
Manuscript Accepted: August 22, 2012
Published: August 24, 2012

Cheng-Yu Shih and Hui-Chen Yeh, "Surface plasmon-enhanced lasing in dye-doped cholesteric liquid crystals," Opt. Express 20, 20698-20704 (2012)

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