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Related Experiment Video

Updated: Jun 12, 2026

Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System
12:08

Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System

Published on: July 18, 2015

Photovoltaic concentrator using a holographic optical element.

Y W Zhang, C S Ih, H F Yan

    Applied Optics
    |June 12, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a novel photovoltaic concentrator using equatorial tracking. This design simplifies solar tracking, potentially lowering costs compared to traditional 2-D systems.

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    Area of Science:

    • Renewable Energy
    • Optical Engineering
    • Photovoltaics

    Background:

    • Traditional solar concentrators require complex and costly 2-D tracking systems.
    • Minimizing the sun's altitude angle variation is key to improving efficiency.

    Purpose of the Study:

    • To propose and analyze a novel photovoltaic concentrator design utilizing equatorial tracking.
    • To evaluate the feasibility of simplified 1-D tracking for solar concentration.

    Main Methods:

    • Theoretical analysis of a photovoltaic concentrator system.
    • Development and study of a physical model.
    • Incorporation of a Fresnel lens, holographic optical element, and field lens.

    Main Results:

    • Achieved a reasonable solar concentration ratio with the proposed design.
    • Demonstrated that equatorial tracking minimizes the sun's altitude angle changes.
    • Indicated potential for significantly reduced system complexity and cost.

    Conclusions:

    • The proposed equatorial tracking photovoltaic concentrator offers a cost-effective alternative to 2-D tracking systems.
    • Simplified 1-D tracking may be sufficient for effective solar energy concentration.
    • Further development could lead to more affordable and efficient solar energy solutions.