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

Minkyu Park; Kyunghwan Oh; Jeong Kim; Hyun Woo Shin; Byung Du Oh

doi:10.1364/OE.18.001777

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

Minkyu Park, Kyunghwan Oh, Jeong Kim, Hyun Woo Shin, Byung Du Oh

Department of Physics

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	1777-1787
Number of pages	11
Journal	Optics Express
Volume	18
Issue number	2
DOIs	https://doi.org/10.1364/OE.18.001777
Publication status	Published - 2010 Jan 18

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OE.18.001777

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AU - Shin, Hyun Woo

AU - Oh, Byung Du

PY - 2010/1/18

Y1 - 2010/1/18

N2 - 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.

AB - 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.

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

Abstract

All Science Journal Classification (ASJC) codes

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