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Opto-Mechanical Spectrograph Concept for Focal Plane Implementation

Explore the optical scheme featuring visible and IR paths, mechanical mount structure, and focal plane integration. Learn about the interface with the cold plate and the action plan.

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Opto-Mechanical Spectrograph Concept for Focal Plane Implementation

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  1. Opto-mechanical conceptSNAP / Spectrograph Pierre-Eric BLANC LAM / CNRS

  2. Summary • Optical scheme (visible & IR) • Opto-mechanical mount • Main structure of the spectrograph • Implementation in the focal plane • Interface with the cold plate • Action plan Pierre-Eric BLANC

  3. Optical scheme Visible path Slit mirror Pupil mirror Slicer Entrance point Prism Collimator Camera Detector Pierre-Eric BLANC

  4. Optical scheme 10 mm IR path 4° 4° Visible path Pierre-Eric BLANC

  5. Optical scheme Pupil & slit mirror Prism Slicer Collimator Detector Camera Entrance point Pierre-Eric BLANC

  6. Mechanical mount Prism support Slicer unit Entrance point Collimator Camera support Detector Pierre-Eric BLANC

  7. Mechanical mount Prism support Slicer unit Collimator Detector Camera support Entrance point Pierre-Eric BLANC

  8. Mechanical mount Collimator Slicer unit Camera support Prism support Detector Pierre-Eric BLANC

  9. Main structure Entrance point Pierre-Eric BLANC

  10. Main structure Pierre-Eric BLANC

  11. Implementation / Focal plane Back view of the cold plate Entrance point Pierre-Eric BLANC

  12. Implementation / Focal plane Pierre-Eric BLANC

  13. Interface / Cold plate Pierre-Eric BLANC

  14. Action plan In progress • Design of sub-structureSlicer unit, Camera support, collimator and dichroic sub-structure, … • Design of main structureimplementation in the available volume,… • Design of detector packagingThermal insulator, radiation shielding, electronic packaging,… • Design of interface / cold plateTrade off material, … In progress Starting In progress Pierre-Eric BLANC

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