Light polarization state analyzer based on two spatial carrier frequencies method

Sławomir Drobczyński; Władysław A. Woźniak; Piotr Kurzynowski

doi:10.1117/12.911191

11 October 2011 Light polarization state analyzer based on two spatial carrier frequencies method

Sławomir Drobczyński, Władysław A. Woźniak, Piotr Kurzynowski

Proceedings Volume 8306, Photonics, Devices, and Systems V; 83060R (2011) https://doi.org/10.1117/12.911191
Event: Photonics Prague 2011, 2011, Prague, Czech Republic

Abstract

The device for the measurements of light polarization state parameters distributions has been presented. It consists of two Wollaston like prisms (acting as spatial frequency generators), a linear analyzer, a CCD camera and a computer with the specific software. The 2D Fourier transform of the recorded output intensity distribution contains two nonzero carrier frequencies. The areas around these frequencies carry the information about the azimuth and the ellipticity angles distributions of the examined light assuming that the variations of these parameters are with the frequency much lower than the analyzer's carrier frequencies. Applying the Fourier transform methods of masking, shifting and inverse Fourier transform with regard to these two areas, one can receive the wanted light polarization state distributions. The main merits of this technique are: (1) the reconstruction of the polarization parameters distributions from one recorded output image only, (2) the setup's compactness and no movable or electronically driven components. The paper presents the setup details, critical points of adjusting setup procedure and numerical analysis, as well as the theoretical and experimental results for uniform and non-uniform examined waves. The accuracy of the tests was estimated as λ/100.

Citation Download Citation

Sławomir Drobczyński, Władysław A. Woźniak, and Piotr Kurzynowski "Light polarization state analyzer based on two spatial carrier frequencies method", Proc. SPIE 8306, Photonics, Devices, and Systems V, 83060R (11 October 2011); https://doi.org/10.1117/12.911191

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