The linear polarization sensitivity of scanning system is comparatively high or changes with the scanning angle. Due to these shortcomings of scanning system, a new design of scanning subsystem is given in this paper. It can overcome the effect of the scanning angle on the linear polarization sensitivity while keeping on the low linear polarization sensitivity.
"New scanning subsystem of low polarization", Proc. SPIE 4540, Sensors, Systems, and Next-Generation Satellites V, (12 December 2001); doi: 10.1117/12.450686; https://doi.org/10.1117/12.450686