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We investigate correlations between the optical linear polarization positionangle and the orientation of the host galaxy/extended emission of Type 1 andType 2 Radio-Loud (RL) and Radio-Quiet (RQ) quasars. We have used highresolution Hubble Space Telescope (HST) data and deconvolution process toobtain a good determination of the host galaxy orientation. With these newmeasurements and a compilation of data from the literature, we find asignificant correlation between the polarization position angle and theposition angle of the major axis of the host galaxy/extended emission. Thecorrelation appears different for Type 1 and Type 2 objects and depends on theredshift of the source. Interpretations in the framework of the unificationmodel are discussed.

Quasar Host Orientation and Polarization: Insights into the Type 1/Type 2 Dichotomy