Here is theoretical research and experimental implementation of systems to change the polarization state of light with wave length tuning. The systems consists of the several birefringent plates with different orientation.We have shown in paper [1] that a polarization system, which consists of two birefringent plates with appropriate angle between their principal axes, has a property of a quarter-wave plate with additional optical activity.. This paper is devoted to investigation of such adjustable polarization systems. In particular we are going to demonstrate that polarization system of two birefringent plates with arbitrary mutual orientation of principal axes is equivalent to optical system composed by one birefringent plate and one optical active cell (rotator).We will describe the polarization state of a fully polarized monochromatic plane wave propagating along the z-direction by the Jones vector or the Maxwell vector [2, 3, 4]: E=()exp(iwt);(1) here E and E are the complex components of the transverse electric vector along the x and y directions respectively. Then the optical system which transforms the polarization state is described by 2x2 Jones matrix with complex entries [2, 3, 4]. The Jones matrix for a birefringent plate with mutually orthogonal slow and fast axes has the form [5, 4]:here slow axis is along the x direction, exp(i) is a phase factor which simply changes the phase of all the polarization states by the same amount and will be omitted, F = (2ir/))(ni -nf)L, F > 0, is the wavelength in vacuum, ni and flf are the refractive indices for slow and fast axes respectively, L is the full thickness of the plate.Let us first consider a polarization system consisting of two birefringent plates with arbitrary phase shifts F1 and F2 for the first and the second plate respectively. We can change the angle çb between slow axes of the plates by means of rotation of 1 400 /SP!E Vol. 2799 0-8194-2187-1/961$6.OO Downloaded From: http://proceedings.spiedigitallibrary.org/ on 06/24/2016 Terms of Use: http://spiedigitallibrary.org/ss/TermsOfUse.aspx
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