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Polarization Scattering Property of Cascaded Polarization Controllers

Muga, N. J. ; Ferreira, M. ; Pinto, A. N.

ETRI Trans. Vol. 29, Nº 6, pp. 838 - 840, December, 2007.

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Digital Object Identifier: 10.4218/etrij.07.0207.0154

Abstract
The relation between the allowed range of variation of polarization controller wave-plates angles and the respective polarization scattering properties is investigated. It is demonstrated that a nearly uniform polarization scattering over the Poincaré sphere is obtained using a concatenation of three polarization controllers with angles randomly changed between -π/4 and π/4. It is also shown that an improvement of the scattering properties is obtained if the configuration angles are allowed to change between -π/2 and π/2.