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MSE In-Vessel Calibration Jig for Polarized Light Analysis

Pre-conceptual layout of an optical bench for MSE In-Vessel Calibration Jig with film polarizer, circular polarized array of red LEDs, adjustable leg, and rotating filter mount. Objective is to illuminate all MSE channels with polarized light and characterize optical components with known pitch angles. Assembly to be completed by Fall 2003 with calibration in Winter 2004 under Jinseok Ko's technical lead.

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MSE In-Vessel Calibration Jig for Polarized Light Analysis

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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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