PPT Slide

SP System Overview

• F/31 Littrow design
  • Off-axis paraboloid mirror avoids Littrow lens radiation damage issues.

• Slit: 160” x 0.16”
  • Maximum map FOV = 320” x 160” (2000 raster steps of 0.16” each).

• Dual-beam polarization analysis
  • Calcite prism gives +(Q,U,V) and -(Q,U,V) beams simultaneously on detector.

• Fe I 6301.5 A (g=1.67) and 6302.5 A (g=2.5) lines

• Spectral resolution < 35 mA

• Spectral range > 2 A

• Polarization precision ~ 0.01 %

• Polarization S/N for map > 103

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