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1 February 2002 Use of accelerometers to reduce dynamic range requirements in an adaptive optics system
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Abstract
In many instances, mechanical vibrations, not atmospherics, are the dominant contributors to time varying optical tilts affecting both astronomical and terrestrial observations. We used a pair of inexpensive micromachined accelerometers placed on the secondary mirror mount of a 12' telescope, inferring angular deviations from twice temporally integrated acceleration signals. We then applied this result with appropriate gain to a feed-forward tip/tilt mirror correction loop with good results.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jeffrey T. Baker, Ty Martinez, Sergio R. Restaino, David V. Wick, Don M. Payne, Galen Gisler, and Jeffrey Foster Friedman "Use of accelerometers to reduce dynamic range requirements in an adaptive optics system", Proc. SPIE 4493, High-Resolution Wavefront Control: Methods, Devices, and Applications III, (1 February 2002); https://doi.org/10.1117/12.454714
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