Multispectral Polarization State Analyzer of Scanning Polarimeter ScanPol

Table 3

Main requirements to ScanPol’s PSA.

Parameter	Value
Azimuth of polarization error -Δψ	≤0.2°
Degree of linear polarization error	≤0.15
Photometric error -ΔI	≤4%
SNR	>500
Wollaston prism alignment error Δε	≤3 arcmin
Divergence value of optical axis of the input telescope system	≤6 arcsec