How doping a cholesteric liquid crystal with polymeric dye improves an order parameter and makes possible low threshold lasing

@article{Araoka2003HowDA,
  title={How doping a cholesteric liquid crystal with polymeric dye improves an order parameter and makes possible low threshold lasing},
  author={F. Araoka and K. Shin and Y. Takanishi and K. Ishikawa and H. Takezoe and Zhengguo Zhu and T. Swager},
  journal={Journal of Applied Physics},
  year={2003},
  volume={94},
  pages={279-283}
}
Lasing conditions in a dye-doped cholesteric liquid crystal (ChLC) have been studied in view of optical modes for the light propagating in ChLCs using a polymeric dye with the transition dipole moment parallel to the local director of the ChLC host. We found that lasing always occurs at the lower-energy edge of the photonic gap. This is because that the optical eigen mode at the lower-energy gap is linearly polarized parallel to the director, while it is perpendicular at the higher-energy gap… Expand
Single mode lasing in multilayer sandwiched systems consisting of cholesteric liquid crystals and dye solution
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