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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 3 — Jan. 20, 2010
  • pp: 315–319

Amplified spontaneous emission from an Ag-backed red-fluorescent-dye-doped polymer film

Dingke Zhang, Zhaoqi Deng, Qiang Wang, Bixin Li, Shijian Chen, Yanping Wang, Yichun Liu, and Dongge Ma  »View Author Affiliations


Applied Optics, Vol. 49, Issue 3, pp. 315-319 (2010)
http://dx.doi.org/10.1364/AO.49.000315


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Abstract

We demonstrate that the amplified spontaneous emission (ASE) in an Ag-backed red-fluorescent-dye-doped polymer film can be controlled by the effect of the film thickness. Optical losses associated with the metallic contacts necessary for charge injection, an obstacle to the development of an electrically pumped organic solid-state laser, may be possible to be reduced by increasing the gain medium layer thickness. The study of ASE characteristics of Ag-backed 4-(Dicyanomethylene)-2-t-butyl-6-(1,1,7,7- tetramethyljulolidyl-9-enyl)-4H-pyran (DCJTB)-doped polystyrene (PS) films with different thicknesses shows that increasing the film thickness can reduce the influence of the Ag layer. The threshold, gain, and loss of the device with a thickness of 800 ‚ÄČ nm are comparable to those of a metal-free device. Our findings demonstrate that the Ag-backed DCJTB:PS film can still be a good organic gain medium material for the fabrication of solid-state lasers, when the thickness of the DCJTB:PS layer increases to an appropriate value.

© 2010 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.2050) Lasers and laser optics : Dye lasers
(140.3280) Lasers and laser optics : Laser amplifiers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 14, 2009
Manuscript Accepted: December 11, 2009
Published: January 12, 2010

Citation
Dingke Zhang, Zhaoqi Deng, Qiang Wang, Bixin Li, Shijian Chen, Yanping Wang, Yichun Liu, and Dongge Ma, "Amplified spontaneous emission from an Ag-backed red-fluorescent-dye-doped polymer film," Appl. Opt. 49, 315-319 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-3-315

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