Numerical Analysis of CCD Images for Polarimetry with Full Poincare Beams

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Vol. 247, Issue 8, December 2020, pp. 18-24

Numerical Analysis of CCD Images for Polarimetry with Full Poincaré Beams

^1, ^* Juan C. SUÁREZ-BERMEJO, ² Juan C. GONZÁLEZ DE SANDE, ³ Massimo SANTARSIERO and ⁴ Gemma PIQUERO

¹ Universidad Politécnica de Madrid, Materials Science, Av. de la Memoria 4, 28040 Madrid, Spain
² Universidad Politécnica de Madrid, ETSIS de Telecomunicacón, Campus Sur, 28031 Madrid, Spain
³ Universitá Roma Tre, Dipartimento di Ingegneria, V. Volterra 62, Rome 00146, Italy
² Universidad Complutense de Madrid, Departamento de Óptica, 28040 Madrid, Spain
¹ Tel.: +34 910 676 214

^* E-mail: juancarlos.suarez@upm.es

Received: 10 November 2020 /Accepted: 10 December 2020 /Published: 31 December 2020

Abstract: Full Poincaré beams have been recently applied in polarimetry for determining the Mueller matrix of homogeneus samples. Such matrix can be obtained from the measured Stokes parameters at four selected points across the transverse section of a full Poincaé beam before and after the sample. Since the transverse section of a full Poincaré beam contains all the possible states of polarization, the possibility of changing the input polarization state on selecting different points could be exploited to get a better accuracy in the determination of the Mueller matrix. To this aim, a polarization state analyzer with a CCD camera can be used to obtain maps of the Stokes parameters across the transverse section of input and output beams. The analysis of the obtained polarization maps can lead to the determination of the Mueller matrix with reduced uncertainties. Several simulations are presented and compared to show the feasibility of this proposal.

Keywords: Polarization, Polarimetry, Full Poincaré beams, CCD, Error sources.

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