205 citations · 462 across the 15 of their papers we have counts for
7 papers · 1 filter
3D printing for astronomical mirrors
Melanie Roulet, Carolyn Atkins, Emmanuel Hugot +3
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 w…
Superpolished OAPs for WFIRST CGI
Melanie Roulet, Emmanuel Hugot, Carolyn Atkins +3
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 print…
Use of 3D printing in astronomical mirror fabrication
Melanie Roulet, Carolyn Atkins, Emmanuel Hugot +12
In this paper we are exploring the possibilities of 3D printing in the fabrication of mirrors for astronomy. Taking the advantages of 3D printing to solve the existing problems cau…
CASTLE: performances and science cases
S. Lombardo, F. Prada, E. Hugot +23
We present here the Calar Alto Schmidt-Lemaitre Telescope (CASTLE) concept, a technology demonstrator for curved detectors, that will be installed at the Calar Alto Observatory (Sp…
Stress mirror polishing for future large lightweight mirrors: design using shape optimization
Sabri Lemared, Marc Ferrari, Christian Du Jeu +3
This study proposes a new way to manufacture large lightweight aspherics for space telescopes using Stress Mirror Polishing (SMP). This technique is well known to allow reaching hi…
Measuring the cophasing state of a segmented mirror with a wavelength sweep and a Zernike phase contrast sensor
Anne-Laure Cheffot, Arthur Vigan, Samuel Leveque +1
The demand for higher resolution telescopes leads to segmented primary mirrors which need to be phased for operation. A phasing sensor applying a wavelength sweep technique provide…