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, Nicolas Rousselet, Yves Surrel, 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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