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array of red LEDs at 660 nm

commercial optical bench, circa 10 cm x 50 cm. Pre-conceptual Layout of MSE In-Vessel Calibration Jig (9/22/03). film polarizer in frame (0 o , 90 o , 10 o ). + circular polarized. array of red LEDs at 660 nm. filter holders (commercial). existing mounting flange

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array of red LEDs at 660 nm

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  1. commercial optical bench, circa 10 cm x 50 cm Pre-conceptual Layout of MSE In-Vessel Calibration Jig (9/22/03) film polarizer in frame (0o, 90o, 10o) + circular polarized array of red LEDs at 660 nm filter holders (commercial) existing mounting flange (connection to bench … TBD) adjustable leg MSE turret Remotely controllable Rotating filter mount. Linear/circular polarizers

  2. MSE In-Vessel Calibration Jig • Objective: illuminate all MSE channels with polarized light of known pitch-angle. • Polarizer either at location of DNB or else mounted on lens L1. • No atomic physics to complicate the analysis • Measure response to both linearly and circularly polarized light. • Capable of large range of incident pitch-angles (hopefully 360o). • Hope to characterize optical components, e.g. phase shift, S/P reflectance of mirrors etc. • Assemble components Fall 2003, perform calibration during winter opening 2004. • Jinseok Ko will be technical lead.

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