Abstract
Abstract Fourier Transform Raman spectroscopy can be performed with either a Martin—Puplett interferometer (MPI) or a Michelson interferometer (MI). With linearly polarized exciting light, the MPI provides information on the Stokes parameters S 1 , and S 3 of the scattered Raman light, from a single measurement. The parameter S 1 represents the difference in the scattered intensities with parallel and perpendicular polarizations while S 3 represents the difference in the scattered intensities with right and left circular polarizations. A procedure to extract these parameters with a Michelson interferometer is developed in this paper. A comparison of both approaches indicates that the use of the MPI is favored if the objective is to extract the Stokes parameters. Both approaches are equally favored if the objective is to measure the depolarization ratios. For measuring total Raman scattering, the use of a Michelson interferometer appears preferable.
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