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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 6 — Feb. 20, 2013
  • pp: 1230–1239

Comprehensive analysis of escape-cone losses from luminescent waveguides

Stephen McDowall, Tristan Butler, Edward Bain, Kelsey Scharnhorst, and David Patrick  »View Author Affiliations

Applied Optics, Vol. 52, Issue 6, pp. 1230-1239 (2013)

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Luminescent waveguides (LWs) occur in a wide range of applications, from solar concentrators to doped fiber amplifiers. Here we report a comprehensive analysis of escape-cone losses in LWs, which are losses associated with internal rays making an angle less than the critical angle with a waveguide surface. For applications such as luminescent solar concentrators, escape-cone losses often dominate all others. A statistical treatment of escape-cone losses is given accounting for photoselection, photon polarization, and the Fresnel relations, and the model is used to analyze light absorption and propagation in waveguides with isotropic and orientationally aligned luminophores. The results are then compared to experimental measurements performed on a fluorescent dye-doped poly(methyl methacrylate) waveguide.

© 2013 Optical Society of America

OCIS Codes
(030.6600) Coherence and statistical optics : Statistical optics
(080.2720) Geometric optics : Mathematical methods (general)
(230.7370) Optical devices : Waveguides
(080.5692) Geometric optics : Ray trajectories in inhomogeneous media

ToC Category:
Optical Devices

Original Manuscript: October 24, 2012
Manuscript Accepted: December 21, 2012
Published: February 15, 2013

Stephen McDowall, Tristan Butler, Edward Bain, Kelsey Scharnhorst, and David Patrick, "Comprehensive analysis of escape-cone losses from luminescent waveguides," Appl. Opt. 52, 1230-1239 (2013)

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