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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 22 — Oct. 27, 2008
  • pp: 18334–18339

Multi-wavelength laser emission in dye-doped photonic liquid crystals

Chun-Ta Wang and Tsung-Hsien Lin  »View Author Affiliations

Optics Express, Vol. 16, Issue 22, pp. 18334-18339 (2008)

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Multi-wavelength lasing in a dye-doped cholesteric liquid crystal (CLC) cell is demonstrated. By adding oversaturated chiral dopant, the multi-photonic band CLC structure can be obtained with non-uniform chiral solubility. Under appropriate excitation, multi-wavelength lasing can be achieved with a multi-photonic band edge CLC structure. The number of lasing wavelengths can be controlled under various temperature processes. Nine wavelength CLC lasings were observed simultaneously. The wavelength range covers around 600–675nm. Furthermore, reversible tuning of multi-wavelength lasing was achieved by controlling CLC device temperature.

© 2008 Optical Society of America

OCIS Codes
(230.3720) Optical devices : Liquid-crystal devices
(160.5298) Materials : Photonic crystals

ToC Category:
Optical Devices

Original Manuscript: September 2, 2008
Revised Manuscript: October 20, 2008
Manuscript Accepted: October 22, 2008
Published: October 23, 2008

Chun-Ta Wang and Tsung-Hsien Lin, "Multi-wavelength laser emission in dye-doped photonic liquid crystals," Opt. Express 16, 18334-18339 (2008)

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