MEMS practice, from the lab to the telescope

Details MEMS practice, from the lab to the telescope MEMS practice, from the lab to the telescope

2012-02-08

arxiv.org/abs/1202.1566v1

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

14 pages, 15 figures, Invited Paper, SPIE Photonics West 2012

Scientific paper

Micro-electro-mechanical systems (MEMS) technology can provide for deformable mirrors (DMs) with excellent performance within a favorable economy of scale. Large MEMS-based astronomical adaptive optics (AO) systems such as the Gemini Planet Imager are coming on-line soon. As MEMS DM end-users, we discuss our decade of practice with the micromirrors, from inspecting and characterizing devices to evaluating their performance in the lab. We also show MEMS wavefront correction on-sky with the "Villages" AO system on a 1-m telescope, including open-loop control and visible-light imaging. Our work demonstrates the maturity of MEMS technology for astronomical adaptive optics.

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