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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 20 — Jul. 9, 2004
  • pp: 4088–4090

Spatial structure of dye-doped polymer nanoparticle laser media

Francisco J. Duarte and Robert O. James  »View Author Affiliations


Applied Optics, Vol. 43, Issue 20, pp. 4088-4090 (2004)
http://dx.doi.org/10.1364/AO.43.004088


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Abstract

The spatial structure of dye-doped polymer-nanoparticle gain media, reported to generate spatially homogeneous single-transverse-mode laser beams, has been examined by electron microscopy in the nanometer scale. It is found that the distribution of the silica nanoparticles in the laser dye-doped polymer is fairly uniform. There is some aggregation of silica particles into loose nanoclusters. However, the nanocluster dimensions are smaller than those necessary to satisfy the conditions for internal interference in the visible spectrum. This explains the absence of macroscopic spatial inhomogeneities in the emission laser beams.

© 2004 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.2050) Lasers and laser optics : Dye lasers
(140.3380) Lasers and laser optics : Laser materials
(140.3580) Lasers and laser optics : Lasers, solid-state

History
Original Manuscript: October 28, 2003
Revised Manuscript: February 27, 2004
Published: July 10, 2004

Citation
Francisco J. Duarte and Robert O. James, "Spatial structure of dye-doped polymer nanoparticle laser media," Appl. Opt. 43, 4088-4090 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-20-4088

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