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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 12 — Jun. 7, 2010
  • pp: 12909–12914

Low threshold lasing from dye-doped cholesteric liquid crystal multi-layered structures

Yoichi Takanishi, Youko Ohtsuka, Goro Suzaki, Suzushi Nishimura, and Hideo Takezoe  »View Author Affiliations

Optics Express, Vol. 18, Issue 12, pp. 12909-12914 (2010)

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We fabricated novel hybrid structures composed of a dye-doped low-molecular-weight cholesteric liquid crystal sandwiched by multi-layered polymer cholesteric liquid crystal films and evaluated their lasing characteristics. Lasing was observed with an extremely reduced threshold (12 nJ/pulse) by a factor of 10 compared with that in a simple dye-doped low-molecular-weight cholesteric liquid crystal cell. Lasing characteristics experimentally obtained were discussed by comparing them with the simulated photonic density of states spectra.

© 2010 OSA

OCIS Codes
(140.2050) Lasers and laser optics : Dye lasers
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(160.3710) Materials : Liquid crystals

ToC Category:
Lasers and Laser Optics

Original Manuscript: August 25, 2009
Revised Manuscript: April 1, 2010
Manuscript Accepted: April 20, 2010
Published: June 2, 2010

Yoichi Takanishi, Youko Ohtsuka, Goro Suzaki, Suzushi Nishimura, and Hideo Takezoe, "Low threshold lasing from dye-doped cholesteric liquid crystal multi-layered structures," Opt. Express 18, 12909-12914 (2010)

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