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11 July 2018 Testing and characterization of deformable mirrors
Lewis C. Roberts Jr., Camilo Mejia Prada, J. Chris Shelton, Seth R. Meeker, Li Yao, Yuqian Wu, Xingtao Wu
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Proceedings Volume 10703, Adaptive Optics Systems VI; 1070375 (2018) https://doi.org/10.1117/12.2314296
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States
Abstract
Deformable mirrors are at the heart of any adaptive optics system. We present the results of tests of deformable mirrors from Microscale. One of the key innovations of these deformable mirrors is that the facesheet is created from a silicon on insulator (SOI) wafer with integral posts for mechanical linkage to the actuators. This dramat- ically reduces the variability of the influence function. The facesheet is bonded to an array of piezoelectric stack actuators. The actuators are currently PZT, but single crystal PMN actuators are being developed. We present results of optical and electrical tests of the performance of the DM.
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Lewis C. Roberts Jr., Camilo Mejia Prada, J. Chris Shelton, Seth R. Meeker, Li Yao, Yuqian Wu, and Xingtao Wu "Testing and characterization of deformable mirrors", Proc. SPIE 10703, Adaptive Optics Systems VI, 1070375 (11 July 2018); https://doi.org/10.1117/12.2314296
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KEYWORDS
Actuators
Deformable mirrors
Mirrors
Planets
Adaptive optics
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