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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 2 — Jan. 18, 2010
  • pp: 1777–1787

A tapered dielectric waveguide solar concentrator for a compound semiconductor photovoltaic cell

Minkyu Park, Kyunghwan Oh, Jeong Kim, Hyun Woo Shin, and Byung Du Oh  »View Author Affiliations

Optics Express, Vol. 18, Issue 2, pp. 1777-1787 (2010)

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A novel tapered dielectric waveguide solar concentrator is proposed for compound semiconductor solar cells utilizing optical fiber preform. Its light collecting capability is numerically simulated and experimentally demonstrated for feasibility and potential assessments. Utilizing tapered shape of an optical fiber preform with a step-index profile, low loss guidance was enhanced and the limitation in the acceptance angle of solar radiation was alleviated by an order of magnitude. Using a solar simulator the device performances were experimentally investigated and discussed in terms of the photocurrent improvements. Total acceptance angle exceeding ± 6° was experimentally achieved sustaining a high solar flux.

© 2010 OSA

OCIS Codes
(220.1770) Optical design and fabrication : Concentrators
(350.6050) Other areas of optics : Solar energy
(080.4298) Geometric optics : Nonimaging optics

ToC Category:
Solar Energy

Original Manuscript: August 17, 2009
Revised Manuscript: January 4, 2010
Manuscript Accepted: January 4, 2010
Published: January 14, 2010

Minkyu Park, Kyunghwan Oh, Jeong Kim, Hyun Woo Shin, and Byung Du Oh, "A tapered dielectric waveguide solar concentrator for a compound semiconductor photovoltaic cell," Opt. Express 18, 1777-1787 (2010)

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