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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 15 — Jul. 20, 2009
  • pp: 12910–12921

Color cone lasing emission in a dye-doped cholesteric liquid crystal with a single pitch

C.-R. Lee, S.-H. Lin, H.-C. Yeh, T.-D. Ji, K.-L. Lin, T.-S. Mo, C.-T. Kuo, K.-Y. Lo, S.-H. Chang, Andy Y.-G. Fuh, and S.-Y. Huang  »View Author Affiliations

Optics Express, Vol. 17, Issue 15, pp. 12910-12921 (2009)

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This work investigates a novel color cone lasing emission (CCLE) based on a one-dimensional photonic crystal-like dye-doped cholesteric liquid crystal (DDCLC) film with a single pitch. The lasing wavelength in the CCLE is distributed continuously at 676.7–595.6 nm, as measured at a continuously increasing oblique angle relative to the helical axis of 0–50°. This work demonstrates that lasing wavelength coincides exactly with the wavelength at the long wavelength edge of the CLC reflection band at oblique angles of 0-50°. Simulation results of dispersion relations at different oblique angles using Berreman’s 4×4 matrix method agrees closely with experimental results. Some unique and important features of the CCLE are identified and discussed.

© 2009 Optical Society of America

OCIS Codes
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.3600) Lasers and laser optics : Lasers, tunable
(160.3710) Materials : Liquid crystals
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:
Lasers and Laser Optics

Original Manuscript: June 12, 2009
Revised Manuscript: July 7, 2009
Manuscript Accepted: July 7, 2009
Published: July 13, 2009

C.-R. Lee, S.-H. Lin, H.-C. Yeh, T.-D. Ji, K.-L. Lin, T.-S. Mo, C.-T. Kuo, K.-Y. Lo, S.-H. Chang, Andy Y.-G. Fuh, and S.-Y. Huang, "Color cone lasing emission in a dye-doped cholesteric liquid crystal with a single pitch," Opt. Express 17, 12910-12921 (2009)

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