Abstract
Polarization Raman spectroscopy (PRS) can provide additional information regarding molecular orientation and symmetry compared to Raman spectroscopy, while traditional PRS only records parallel and perpendicular components of Raman scattered light. Recently, a channelled polarization Raman microscope was developed to acquire the linear-Stokes polarization Raman spectra. Since the circular polarization Raman spectra may contain important information related to molecular structure, a full-Stokes polarization Raman microscope (FPRM) is presented in this paper. A polarization modulator consisting of two high order retarder and a linear polarizer is used to modulate the full-Stokes polarization information into frequency domain, and the polarization demodulation is achieved by the Fourier transformation method. Only one camera shot is needed to acquire all polarization components of the Raman scattered light, and the feasibility of FPRM is verified by simulations.
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