13. Polarimetry with PFIS Imaging Polarimetry Spectropolarimetry Polarimetric Fabry-Perot Imaging/Spectroscopy Linear Polarimetric Imaging Circular Polarimetric Imaging All Stokes Polarimetric Imaging Long Slit Linear Spectropolarimetry Long Slit Circular Spectropolarimetry Long Slit All Stokes Spectropolarimetry Multi-slit Linear Spectropolarimetry Multi-slit Circular Spectropolarimetry Multi-slit All Stokes Spectropolarimetry Linear Polarimetric Fabry-Perot Imaging/Spectroscopy Circular Polarimetric Fabry-Perot Imaging/Spectroscopy All Stokes Polarimetric Fabry-Perot Imaging/Spectroscopy + high speed + narrow bandpass filter } } + high speed + imaging

14. Focal Plane Configuration for imaging/ long slit spectropolarimetry 4’'x 8’ FoV 2048 2048 2048 O-ray image E-ray image 4’ Focal plane Mask

15. PFIS Imaging Polarimetry Linear ½ wave ¼ wave 0 - 45 - 22.5 - 67.5 - 11.25 - 56.25 - 33.75 - 78.75 - Circular ½ wave ¼ wave 0 +45 0 -45 22.5 -45 22.5 +45 45 +45 45 -45 67.5 -45 67.5 +45 All Stokes ½ wave ¼ wave 0 0 22.5 33.75 45 67.5 67.5 101.25 90 135 112.5 168.75 135 202.5 157.5 236.25

16. Imaging VPH Grating Spectropolarimetry Wave- plate Beam-- splitter Na D EOEO NGC 7027

17. Multi-slit spectropolarimetry Linear ½ wave ¼ wave 0 - 45 - 22.5 - 67.5 - 11.25 - 56.25 - 33.75 - 78.75 - Circular ½ wave ¼ wave 0 +45 0 -45 22.5 -45 22.5 +45 45 +45 45 -45 67.5 -45 67.5 +45 All Stokes ½ wave ¼ wave 0 0 22.5 33.75 45 67.5 67.5 101.25 90 135 112.5 168.75 135 202.5 157.5 236.25

18. Configuration for high time speed, Point-sourceimaging/spectropolarimetry 2048 2048 2048 O-ray image E-ray image Focal plane slit mask Spec.# 1 2 3 4 5 6 7 8 Rotate waveplates & Shuffle CCD rows down or backwards/ forwards Waveplate angles Spec ½ ¼ 1 0 0 2 22.5 33.75 3 45 67.5 4 67.5 101.25 5 90 135 6 112.5 168.75 7 135 202.5 8 157.5 236.25 Modification of Serkowski’s “all-Stokes” mode, with ¼ waveplate Rotating at 1.5 frequency of ½ waveplate, both in same direction.