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ZTF Extra Filter

ZTF Extra Filter. P. Jelinsky 2013-04-02. Optic Terminology. Filter/ Focal Plane Corrector. Window. 12 flatteners. 12 detectors. Filter Options. Case A Filter at the front of corrector. (Only Window and Flattener) Case B Flat filter between mirror and window. Case C

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ZTF Extra Filter

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  1. ZTF Extra Filter P. Jelinsky 2013-04-02

  2. Optic Terminology Filter/ Focal Plane Corrector Window 12 flatteners 12 detectors

  3. Filter Options • Case A • Filter at the front of corrector. (Only Window and Flattener) • Case B • Flat filter between mirror and window. • Case C • Fixed filters (make the flatteners the filters, window only). • Case D • Fixed filters (make the flatteners the filters, but keep the     current "filter" as a corrector).

  4. Extra Filter Geometry Flatteners Focal Plane Corrector Window Flat Filter

  5. 12 Segment Trade Study • PTF Corrector Distance = 6075.3 mm; Original Corrector Distance = 6122.4 mm • (A) = asphere; (S) = sphere D D D B

  6. 12 Segment Trade Study (cont) • PTF Corrector Distance = 6075.3 mm; Original Corrector Distance = 6122.4 mm • (A) = asphere; (S) = sphere; (F) = Filter in Front; (R) Filter in Rear A/C Case XIV with Added large filter

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