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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 4 — Feb. 1, 2010
  • pp: 745–751

Effect on the output of a luminescent solar concentrator on application of organic wavelength-selective mirrors

Michael G. Debije, My-Phung Van, Paul P. C. Verbunt, Maud J. Kastelijn, Rudy H. L. van der Blom, Dirk J. Broer, and Cees W. M. Bastiaansen  »View Author Affiliations


Applied Optics, Vol. 49, Issue 4, pp. 745-751 (2010)
http://dx.doi.org/10.1364/AO.49.000745


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Abstract

To reduce surface loss in luminescent solar concentrators (LSCs), we systematically apply organic wavelength-selective mirrors, chiral nematic (cholesteric) liquid crystals, onto the LSCs with an air gap and determine their effect on waveguide output. The highest output is achieved using a scattering background and cholesteric mirror with a reflection band significantly redshifted ( 150 nm ) from the emission peak of the fluorescent dye. The use of an air gap results in light bending away from the wave guide surface normal and, consequently, a redshift of the cholesteric mirrors is required. Up to 35% more dye-emitted light energy exits the waveguide edge after application of the cholesteric, and an increase in absolute edge power of 12% was found for a waveguide using a separate scatterer.

© 2010 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(220.1770) Optical design and fabrication : Concentrators
(230.7390) Optical devices : Waveguides, planar
(260.2510) Physical optics : Fluorescence
(350.6050) Other areas of optics : Solar energy

ToC Category:
Physical Optics

History
Original Manuscript: September 11, 2009
Revised Manuscript: November 27, 2009
Manuscript Accepted: November 27, 2009
Published: January 29, 2010

Citation
Michael G. Debije, My-Phung Van, Paul P. C. Verbunt, Maud J. Kastelijn, Rudy H. L. van der Blom, Dirk J. Broer, and Cees W. M. Bastiaansen, "Effect on the output of a luminescent solar concentrator on application of organic wavelength-selective mirrors," Appl. Opt. 49, 745-751 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-4-745

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