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Related Experiment Video

Updated: Jun 12, 2026

Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating
10:39

Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating

Published on: October 11, 2016

Performance of multilayer coated diffraction gratings in the EUV.

R A Keski-Kuha, R J Thomas, J S Gum

    Applied Optics
    |June 26, 2010
    PubMed
    Summary

    Multilayer coatings significantly boosted diffraction grating efficiency in the extreme ultraviolet (UV) spectral region. This advancement is crucial for applications requiring high performance in the 300-angstrom range.

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    Area of Science:

    • Optics and Photonics
    • Materials Science

    Background:

    • Diffraction gratings are essential optical components for spectral analysis.
    • Enhancing grating efficiency, particularly in the extreme ultraviolet (UV) range, is critical for advanced spectroscopic applications.
    • Multilayer coatings offer a potential method for improving grating performance.

    Purpose of the Study:

    • To evaluate the performance of multilayer coated diffraction gratings.
    • To assess the impact of multilayer coatings on grating efficiency in the extreme UV spectral region.

    Main Methods:

    • Coating two blazed gratings with multilayer optical coatings.
    • Evaluating the spectral performance of the coated gratings in the extreme UV.

    Main Results:

    • Significant enhancement in grating efficiency was achieved.
    • The enhancement was observed in the 300-angstrom spectral region.
    • The improvement was noted in the first diffraction order.

    Conclusions:

    • Multilayer coatings are effective in enhancing the efficiency of blazed diffraction gratings.
    • The developed coatings show promise for applications in the extreme UV, specifically around 300 angstroms.

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