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Related Experiment Video

Updated: Jun 16, 2026

Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser
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Interferometric spectropolarimetry: alternate experimental methods.

A L Fymat

    Applied Optics
    |February 2, 2010
    PubMed
    Summary

    New Fourier spectroscopy methods analyze light polarization without arm polarizers. These techniques determine Stokes parameters, offering advanced optical analysis capabilities.

    Area of Science:

    • Optics and Photonics
    • Spectroscopy
    • Polarimetry

    Background:

    • Fourier spectroscopy is a powerful technique for spectral analysis.
    • Measuring the polarization state of light is crucial in various scientific fields.
    • Existing methods for polarization analysis can be complex or limited.

    Purpose of the Study:

    • To propose three novel methods for obtaining spectra of light intensity and polarization state.
    • To utilize a two-beam amplitude division interferometer with Fourier spectroscopy.
    • To explore applications for source, emerging, or detector beams.

    Main Methods:

    • Employing a two-beam interferometer with Fourier spectroscopy.
    • Utilizing a single analyzer with three orientations (Method 2).

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  • Using a polarizer with three orientations in the incident beam (Method 3).
  • A hybrid method combining polarizer and analyzer (Method 4).

    • Main Results:

    • Method 2 determines all four Stokes parameters.
    • Methods 3 and 4 do not yield the ellipticity parameter.
    • All methods require three interferograms, but two suffice for intensity and degree of polarization.
    • Rigorous theory for an earlier method (Method 1) is established.

    Conclusions:

    • The proposed Fourier spectroscopy methods offer versatile approaches to light polarization analysis.
    • These techniques eliminate the need for polarizers within the interferometer arms.
    • Method 2 provides comprehensive polarization state determination, including Stokes parameters.