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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 15 — Aug. 1, 2013
  • pp: 2796–2799

Surface patterning of nonscattering phosphors for light extraction

An Mao and Robert F. Karlicek, Jr.  »View Author Affiliations


Optics Letters, Vol. 38, Issue 15, pp. 2796-2799 (2013)
http://dx.doi.org/10.1364/OL.38.002796


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Abstract

A two-dimensional TiO2 photonic crystal layer is fabricated on Y3Al5O12:Ce3+(YAG:Ce) yellow ceramic plate phosphor (CPP) to enhance its forward emission. A triangle lattice pattern is defined by molecular transfer lithography with polyvinyl alcohol nanostructured templates. A 4.5 improvement in yellow emission is achieved from photonic-crystal-structure (PhC) patterned YAG:Ce CPP compared to a nonpatterned one. The PhC-patterned YAG:Ce CPP shows a collimated far-field intensity emission pattern compared to the random-patterned and nonpatterned one.

© 2013 Optical Society of America

OCIS Codes
(230.3670) Optical devices : Light-emitting diodes
(220.4241) Optical design and fabrication : Nanostructure fabrication
(230.5298) Optical devices : Photonic crystals

ToC Category:
Optical Devices

History
Original Manuscript: May 10, 2013
Revised Manuscript: June 28, 2013
Manuscript Accepted: July 1, 2013
Published: July 29, 2013

Citation
An Mao and Robert F. Karlicek, "Surface patterning of nonscattering phosphors for light extraction," Opt. Lett. 38, 2796-2799 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-15-2796


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