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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 25, Iss. 9 — Sep. 1, 2008
  • pp: 1496–1504

Enhanced laser performance of cholesteric liquid crystals doped with oligofluorene dye

Ksenia Dolgaleva, Simon K. H. Wei, Svetlana G. Lukishova, Shaw H. Chen, Katie Schwertz, and Robert W. Boyd  »View Author Affiliations


JOSA B, Vol. 25, Issue 9, pp. 1496-1504 (2008)
http://dx.doi.org/10.1364/JOSAB.25.001496


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Abstract

We propose a new highly efficient organic dye, oligofluorene, which has great potential for lasing in cholesteric monomeric and glassy liquid crystal oligomers. We perform a detailed comparative experimental study of the laser characteristics of monomeric cholesteric liquid crystals (CLCs) doped with oligofluorene and a well-studied dye, 4-(dicyanomethylene)-Z-methyl-6-(4-dimethylaminostryl)-4H-pyran (DCM), commonly used for lasing in CLCs. Oligofluorene-doped CLCs yield a total output energy in the transverse single-mode regime five times that of DCM-doped CLCs with superior temporal and spatial stability.

© 2008 Optical Society of America

OCIS Codes
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(160.3380) Materials : Laser materials
(160.3710) Materials : Liquid crystals
(160.5293) Materials : Photonic bandgap materials

ToC Category:
Materials

History
Original Manuscript: April 23, 2008
Revised Manuscript: May 20, 2008
Manuscript Accepted: May 30, 2008
Published: August 19, 2008

Citation
Ksenia Dolgaleva, Simon K. H. Wei, Svetlana G. Lukishova, Shaw H. Chen, Katie Schwertz, and Robert W. Boyd, "Enhanced laser performance of cholesteric liquid crystals doped with oligofluorene dye," J. Opt. Soc. Am. B 25, 1496-1504 (2008)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-25-9-1496


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