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- W1969731640 abstract "ABSTRACT The MEMS-AO/Villages project consists of a series of on-sky experiments that will demonstrate key new technologies for the next generation of adaptive optics systems for large telescopes. One of our first goals is to demonstrate the use of a micro-electro-mechanical system s (MEMS) deformable mirror as the wavefront correcting element. The system is mounted the 1-meter Nickel Telescope at the UCO/Lick Observatory on Mount Hamilton. It uses a 140 element (10 subapertures across) MEMS deformable mirror and is designed to produce diffraction-limited images at wavelengths from 0.5 to 1.0 microns. The system had first light on the telescope in October 2007. Here we report on the results of initial on-sky tests. Keywords: Astronomical Adaptive Optics, Deformable Mirrors, Atmospheric Wavefront Control 1. INTRODUCTION The Lick Observatory has constructed an experimental visible light adaptive optics system for use on the 1 meter Nickel telescope at Mount Hamilton with the purpose of demonstrating MEMS deformable mirrors as well as several other new AO technology concepts in an observatory environment. The MEMS-AO/Visible Light Laser Guidestar Experiments (Villages) project has two goals in its first phase: 1) demonstrating that a MEMS deformable mirror can correct stellar images to the diffraction limit in a closed loop AO system, 2) demonstrating that a MEMS can be used reliably in an open-loop, or go-to control on-sky. We have achieved goal 1 during this past years first-light experiments (October and November 2007) and we expect to achieve goal 2 this spring as a follow on to successful laboratory tests reported in a companion paper" @default.
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- W1969731640 date "2008-02-07" @default.
- W1969731640 modified "2023-09-23" @default.
- W1969731640 title "Villages: an on-sky visible wavelength astronomy AO experiment using a MEMS deformable mirror" @default.
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- W1969731640 doi "https://doi.org/10.1117/12.772406" @default.
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