Design, Simulation, Fabrication, and Characterization of an Electrothermal Tip-Tilt-Piston Large Angle Micromirror for High Fill Factor Segmented Optical Arrays
Sign Up to like & getrecommendations! Published in 2021 at "Micromachines"
DOI: 10.3390/mi12040419
Abstract: Micro-electromechanical system (MEMS) micromirrors have been in development for many years, but the ability to steer beams to angles larger than 20° remains a challenging endeavor. This paper details a MEMS micromirror device capable of… read more here.
Keywords: motion; micromirror; tip tilt; large angle ... See more keywords
A Tip–Tilt and Piston Detection Approach for Segmented Telescopes
Sign Up to like & getrecommendations! Published in 2020 at "Photonics"
DOI: 10.3390/photonics8010003
Abstract: Accurate segmented mirror wavefront sensing and control is essential for next-generation large aperture telescope system design. In this paper, a direct tip–tilt and piston error detection technique based on model-based phase retrieval with multiple defocused… read more here.
Keywords: error; tilt piston; detection approach; tip tilt ... See more keywords