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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 14 — Jul. 11, 2005
  • pp: 5263–5269

Light propagation tuned by periodic junction-prisms within well-faceted ZnO fibers

Lisheng Huang, Lin Pu, Yi Shi, Rong Zhang, Benxi Gu, Youwei Du, and Youdou Zheng  »View Author Affiliations


Optics Express, Vol. 13, Issue 14, pp. 5263-5269 (2005)
http://dx.doi.org/10.1364/OPEX.13.005263


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Abstract

Well-faceted ZnO fibers with periodic junction-prisms were synthesized using conventional chemical vapor deposition. The characterization of the fibers by optical and fluorescence microscopy showed that the outer facets of the crystalline fibers provide excellent mirror-like surfaces for guiding light propagation along the fiber stem as well as the periodic junction-prisms. The structure-related optical properties can be fully explained by a microstructural model. The proposed model explains as the decrease in luminance at the junction-prisms is caused by refraction and total or partial reflection of light. The model also explains the luminance enhancement at the junction-prisms is related to waveguiding of the green emission of the ZnO fibers. Further integration of the ZnO junction-prisms into microdevices should provide the microscale modulation for light with different wavelengths, and could be potentially used for enhanced light-illumination arrays.

© 2005 Optical Society of America

OCIS Codes
(080.2740) Geometric optics : Geometric optical design
(120.5700) Instrumentation, measurement, and metrology : Reflection
(120.5710) Instrumentation, measurement, and metrology : Refraction
(130.5990) Integrated optics : Semiconductors
(160.2540) Materials : Fluorescent and luminescent materials
(170.2520) Medical optics and biotechnology : Fluorescence microscopy
(230.4040) Optical devices : Mirrors
(230.7400) Optical devices : Waveguides, slab

ToC Category:
Research Papers

History
Original Manuscript: May 12, 2005
Revised Manuscript: June 17, 2005
Published: July 11, 2005

Citation
Lisheng Huang, Lin Pu, Yi Shi, Rong Zhang, Benxi Gu, Youwei Du, and Youdou Zheng, "Light propagation tuned by periodic junction-prisms within well-faceted ZnO fibers," Opt. Express 13, 5263-5269 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-14-5263


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