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UV emission spectrometer using a non-periodic grating.

H Sato1, T Kotsugi, S Senba

  • 1Faculty of Science, Hiroshima University, Kagamiyama 1-3, Higashi-Hiroshima 739-8526, Japan, and Hiroshima Synchrotron Radiation Centre, Hiroshima University, Kagamiyama 1-3, Higashi-Hiroshima 739-8526, Japan.

Journal of Synchrotron Radiation
|July 21, 2004
PubMed
Summary
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A new UV emission spectrometer utilizes a non-periodic spherical grating for synchrotron light sources. This instrument achieves high energy resolution for photon analysis, enhancing UV spectroscopy capabilities.

Area of Science:

  • Spectroscopy
  • Optics
  • Synchrotron Radiation

Background:

  • Synchrotron light sources provide tunable electromagnetic radiation for various scientific applications.
  • Ultraviolet (UV) spectroscopy is crucial for analyzing electronic structures and material properties.
  • High-resolution spectrometers are essential for detailed analysis of UV emissions.

Purpose of the Study:

  • To design and develop a UV emission spectrometer for use with undulator beamlines.
  • To achieve high energy resolution for UV photon analysis.
  • To provide a versatile spectroscopic tool for the HiSOR light source.

Main Methods:

  • Design of a UV emission spectrometer incorporating a non-periodic spherical grating.
  • Integration of the spectrometer with linear and helical undulator beamlines at the Hiroshima Synchrotron Radiation Centre (HiSOR).

Related Experiment Videos

  • Utilizing two gratings (1/600 and 1/1200 mm groove spacing) to cover the 10 to 100 eV photon energy range.

    • Main Results:

    • The spectrometer successfully covers the 10 to 100 eV photon energy range.
    • An energy resolution better than 0.2 eV was achieved below 50 eV using the 1/600 mm grating and a 100 micro m entrance slit.
    • The instrument is compatible with both linear and helical undulator beamlines.

    Conclusions:

    • The designed UV emission spectrometer is a valuable addition to the HiSOR light source.
    • The non-periodic spherical grating enables high-resolution UV spectroscopy.
    • This instrument facilitates advanced research in materials science and physics using synchrotron radiation.