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[Data processing for interferogram of ultraviolet Fourier transform spectrometer].

Z Li1, S Wang, F Li

  • 1State Key Laboratory of Applied Optics, Changchun Institute of Optics and Fine Mechanics, Chinese Academy of Science, 130022 Changchun.

Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|September 5, 2003
PubMed
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This study presents a novel data processing method for interferograms using ultraviolet Fourier Transform Spectrometry. The technique achieves high-precision ultraviolet emission line measurements for mercury lamps.

Area of Science:

  • Spectroscopy
  • Optical Physics
  • Data Processing

Background:

  • Interferograms are crucial for spectral analysis.
  • Accurate data processing is essential for high-precision spectroscopy.
  • Developing advanced methods for ultraviolet Fourier Transform Spectrometry is ongoing.

Purpose of the Study:

  • To describe a new data processing method for interferograms.
  • To achieve high-precision measurement of ultraviolet emission lines.
  • To validate the method using a mercury lamp spectrum.

Main Methods:

  • Experimental measurement of mercury lamp interferograms using an ultraviolet Fourier Transform Spectrometer.
  • Application of a four-term Blackman-Harris window function for apodization.

Related Experiment Videos

  • Phase correction of Fourier Transform spectra using a least-squares fitting polynomial.

    • Main Results:

    • Successful acquisition of high-precision ultraviolet emission lines.
    • Demonstration of the effectiveness of the chosen apodization and phase correction techniques.
    • Validation of the developed data processing method.

    Conclusions:

    • The described data processing method enables high-precision spectral analysis.
    • The combination of specific apodization and phase correction is effective for ultraviolet Fourier Transform Spectrometry.
    • This method advances the capabilities of ultraviolet spectroscopy.