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Related Concept Videos

UV–Vis Spectrometers01:14

UV–Vis Spectrometers

The absorbance of UV and visible (UV–visible) radiations is measured using a UV–visible spectrophotometer. Deuterium lamps, which emit UV radiation, and tungsten lamps, which produce radiation in the visible region, are used as light sources in UV–visible spectrophotometers. A monochromator or prism is used for diffraction grating, i.e., to split the incoming radiation into different wavelengths. A system of slits is used to focus the desired wavelength on the sample cell. Samples for...
UV–Vis Spectroscopy: Beer–Lambert Law01:09

UV–Vis Spectroscopy: Beer–Lambert Law

The Beer-Lambert law describes the relationship between absorbance and concentration, which combines the principles established by scientists Johann Heinrich Lambert and August Beer. Lambert's law states that when light passes through a medium, the loss in intensity is directly proportional to the original intensity and the path length of the light. Beer's law proposed that the transmittance of a solution remains constant if the product of concentration and path length is constant. The modern...

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

Published on: July 18, 2015

EUV efficiency of a 6000-grooves mm(-1) diffraction grating.

M Hurwitz, S Bowyer, J Edelstein

    Applied Optics
    |June 22, 2010
    PubMed
    Summary
    This summary is machine-generated.

    We measured the efficiency and scattering of a high-line-density diffraction grating at extreme ultraviolet wavelengths. This advanced grating shows promising performance for future optical applications.

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    Area of Science:

    • Optics and Photonics
    • Materials Science

    Background:

    • Diffraction gratings are crucial optical components.
    • High line density gratings are needed for advanced spectroscopic and imaging applications.

    Purpose of the Study:

    • To characterize the performance of a novel, mechanically ruled, planar diffraction grating.
    • To measure efficiency and large-angle scattering at extreme ultraviolet (EUV) wavelengths.

    Main Methods:

    • Fabrication of a very high line density, uniform line-space diffraction grating using mechanical ruling.
    • Experimental measurement of grating efficiency and scattering profiles at EUV wavelengths.

    Main Results:

    • Quantified the efficiency of the diffraction grating across relevant EUV spectral ranges.
    • Characterized large-angle scattering patterns, providing insights into grating uniformity and potential aberrations.

    Conclusions:

    • The mechanically ruled grating demonstrates viable performance characteristics for EUV applications.
    • Measurements provide critical data for the design and optimization of future EUV optical systems.