Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.12386/32947
Title: | Modeling VRALA, The Next-Generation Actuator For High-Density, Tick Secondary Mirrors For Astronomy | Authors: | DEL VECCHIO, Ciro AGAPITO, Guido Tommasi, G. De Santis, E. |
Issue Date: | 2010 | Volume: | Proceedings of the COMSOL Conference 2010 Paris | Abstract: | The next-generation of Extremely Large Telescopes adaptive optics systems require high-order, long-stroke, quite large deformable mirrors. Higher forces and greater actuator densities than the ones provided by the current technology are needed, still maintaining the severe accuracy and bandwidth requests. Based on a very simple magnetic circuit, providing a compact device, the VRALA actuator accomplishes this very demanding goal. With an efficiency of about 7 N/W and an overall radius that allows actuator separations as low as 25 mm, the deformable mirror can be actuated with large forces on small spatial scales, with a little thermal impact, and/or its thickness can be increased, in order to simplify the manufacturing. | Conference Name: | COMSOL Conference 2010 | Conference Place: | Paris, France | Conference Date: | November 17-19, 2010 | URI: | http://hdl.handle.net/20.500.12386/32947 | URL: | https://www.comsol.com/paper/download/63216/del_vecchio_paper.pdf https://www.comsol.com/paper/modeling-vrala-the-next-generation-actuator-for-high-density-tick-secondary-mirr-8798 |
Fulltext: | open |
Appears in Collections: | 3.01 Contributi in Atti di convegno |
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File | Description | Size | Format | |
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del_vecchio_paper.pdf | PDF editoriale | 345.85 kB | Adobe PDF | View/Open |
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