15 June 2018 Advanced optical freeform substrates fabricated by ceramic 3D printing and controlled by deflectometry
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Abstract
We design a TMA telescope for nanosat uncooled IR applications and manufacture one of its mirror using a ceramic 3D printing process. The TMA design serves as pretext to obtaining a very fast (N = 0.63) mirror to manufacture, we nonetheless gloss over a typical optical design workflow, with optical optimization, tolerancing and stray-light analysis. The metrology of the manufactured mirror will involve deflectometry, for which we give a bibliography. We manufactured one TMA mirror extracted from our design using laser stereolithography (SLA) 3D printing process for ceramic parts.
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Thomas Houllier, Thomas Houllier, Nicolas Rousselet, Nicolas Rousselet, Yves Surrel, Yves Surrel, Thierry Lépine, Thierry Lépine, } "Advanced optical freeform substrates fabricated by ceramic 3D printing and controlled by deflectometry ", Proc. SPIE 10692, Optical Fabrication, Testing, and Metrology VI, 106920P (15 June 2018); doi: 10.1117/12.2312649; https://doi.org/10.1117/12.2312649
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