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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 23 — Nov. 13, 2006
  • pp: 11299–11303

Enhancing the laser power by stacking multiple dye-doped chiral polymer films

Yuhua Huang, Tsung-Hsien Lin, Ying Zhou, and Shin-Tson Wu  »View Author Affiliations

Optics Express, Vol. 14, Issue 23, pp. 11299-11303 (2006)

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We demonstrate a method for enhancing the laser efficiency by stacking multiple dye-doped chiral polymer films. No laser emission was observed from a single 8 µm film. By stacking two films together, the laser efficiency is dramatically enhanced. Further increasing the number of stacked films, the output laser power is further increased. It is also observed that the output laser power in the forward direction is almost the same as that in the backward for the two- and three-layered films. However, in the six-layered film the output laser power is much stronger in the backward direction than the forward one. This is due to the absorption of the laser dyes and the distributed feedback in the chiral polymer films.

© 2006 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:
Optical Devices

Original Manuscript: September 29, 2006
Manuscript Accepted: October 30, 2006
Published: November 13, 2006

Yuhua Huang, Tsung-Hsien Lin, Ying Zhou, and Shin-Tson Wu, "Enhancing the laser power by stacking multiple dye-doped chiral polymer films," Opt. Express 14, 11299-11303 (2006)

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