Mirrors with regular hexagonal segments |
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Authors: | Amodei Dario Padin Stephen |
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Affiliation: | California Institute of Technology, Mail Stop 105-24, 1200 East California Boulevard, Pasadena, California 91125, USA. dario@caltech.edu |
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Abstract: | The point-spread function and emissivity are calculated for a mirror made from regular hexagonal segments of just a few different sizes. A mirror of this type has many similar segments, which is an advantage for manufacturing, and for an approximately f/1 mirror with > or = 1000 segments and > or = 4 sizes of regular hexagons the increase in intersegment gap area is negligible. This result raises the possibility of making a mirror from very large numbers of identical small segments that are warped to the required figure. |
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