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- W2022696329 abstract "We demonstrate a method for producing a large, inexpensive, highly curved deformable mirror by stretching a thin polymer membrane coated with a reflective, magnetic material over a rigid frame. The membrane tension, thickness profile, and the transmembrane pressure differential determine the curvature of the mirror, while a computer-controlled electromagnet array deforms the membrane, both to correct the figure and to compensate for an aberrated wavefront. A telescope with an eight-inch f5 magnetic-membrane primary mirror and an adaptive-optics wavefront-measurement-andcontrol system was built and tested. The versatility, high surface quality, large actuator stroke, and low cost-to-aperture ratio of this design suggest that magnetic-membrane mirrors can be used to overcome many of the limitations of both deformable and static mirrors made from solid materials." @default.
- W2022696329 created "2016-06-24" @default.
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- W2022696329 date "2006-06-14" @default.
- W2022696329 modified "2023-09-23" @default.
- W2022696329 title "Eight-inch f5 deformable magnetic-membrane mirror" @default.
- W2022696329 doi "https://doi.org/10.1117/12.669700" @default.
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