3D printing for astronomical mirrors

M Roulet, C Atkins, E Hugot, S Lemared… - 3D Printed Optics …, 2018 - spiedigitallibrary.org
3D printing, also called additive manufacturing, offers a new vision for optical fabrication in
term of achievable optical quality and reduction of weight and cost. In this paper we describe …

Superpolished OAPs for WFIRST CGI

M Roulet, E Hugot, C Atkins, S Lemared… - Space Telescopes …, 2018 - spiedigitallibrary.org
Exoplanet imaging requires super polished off-axis parabolas (OAP) with the utmost surface
quality. In this paper we describe an innovative manufacturing process combining 3D …

WFIRST OAPs' fabrication: prototyping phase

M Roulet, E Hugot, C Atkins, S Lemared… - … on Space Optics …, 2019 - spiedigitallibrary.org
This paper describes the development of a new manufacturing process to directly obtain off-
axis parabolas (OAP) by combining 3D printing and stress polishing. 3D printing opens up a …

Prototype segments polishing and testing for ELT M1

J Rodolfo, L Chouarche, G Chaussat… - … in Space-and …, 2012 - spiedigitallibrary.org
Sagem–Reosc has been awarded by ESO a contract for the manufacturing and testing of
seven prototype segments of the E-ELT primary mirror in 2008. The purpose of this contract …