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Related Experiment Video

Updated: Jun 10, 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

Binary gratings with increased efficiency.

M W Farn

    Applied Optics
    |August 21, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study designs binary gratings using coupled-wave analysis, achieving high efficiencies of 70-80%. The designs incorporate subwavelength structures within larger periods for enhanced performance.

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    Area of Science:

    • Optics and Photonics
    • Diffractive Optics

    Background:

    • Binary gratings are optical components used for light manipulation.
    • Achieving high diffraction efficiency in gratings is a key challenge in optical design.

    Purpose of the Study:

    • To design binary gratings with high diffraction efficiencies.
    • To explore the use of subwavelength structures for efficiency enhancement.

    Main Methods:

    • Utilizing coupled-wave analysis for grating design.
    • Implementing binary grating structures with periods larger than the wavelength.
    • Incorporating subwavelength features within each grating period.

    Main Results:

    • Achieved high efficiencies for the designed binary gratings, ranging from 70% to 80%.

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    Last Updated: Jun 10, 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

    Writing Bragg Gratings in Multicore Fibers
    08:48

    Writing Bragg Gratings in Multicore Fibers

    Published on: April 20, 2016

    Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating
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  • Demonstrated the effectiveness of combining larger grating periods with subwavelength structures.

    • Conclusions:

    • Coupled-wave analysis is a viable method for designing high-efficiency binary gratings.
    • Subwavelength structures within larger periods are crucial for achieving high diffraction efficiencies.