Molecular adhesion solutions for integral field spectroscopy and compact static FTS

Physics – Optics

Scientific paper

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Space Optics

Scientific paper

This paper deals with the following projects: Image slicer prototype for JWST (ESA/LAM) optically tested at ambient and cryogenic temperature (30K). Vibration tests have also been performed. Image slicer design and technical solution for the SNAP (SuperNovae Acceleration Probe NASA/CNES?). Other image slicer designs and prototypes allowing cost reduction. Cube à échelette: Static FTS. A compact reflective assembly design will be presented. This paper aims to show technical and industrial inputs to be taken into account for stacked mirrors design and development. CYBERNETIX has a strong experience of precision optics assembled via molecular adhesion and for 3 years has manufactured 6 prototypes of image slicer subsystems (prototypes of NIRSPEC-IFU, IFS for JWST, MUSE...) in collaboration with the Laboratoire d'Astrophysique de Marseille (LAM) and the Centre de Recherche Astronomique de Lyon (CRAL) and échelettes for CNES. After a brief presentation of the principle of manufacturing and assembly, we will focus on the different performances achieved in our prototypes. Different environmental tests have shown the withstanding of these assemblies to vibration and cryogenic temperatures (30K).

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