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- W1965291257 abstract "A software configurable optical test system (SCOTS) based on fringe reflection was implemented for measuring theprimary mirror segments of the Giant Magellan Telescope (GMT). The system uses modulated fringe patterns on anLCD monitor as the source, and captures data with a CCD camera and calibrated imaging optics. The large dynamicrange of SCOTS provides good measurement of regions with large slopes that cannot be captured reliably withinterferometry. So the principal value of the SCOTS test for GMT is to provide accurate measurements that extendclear to the edge of the glass, even while the figure is in a rough state of figure, where the slopes are still high.Accurate calibration of the geometry and the mapping also enable the SCOTS test to achieve accuracy that iscomparable measurement accuracy to the interferometric null test for the small- and middle- spatial scale errors inthe GMT mirror." @default.
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- W1965291257 date "2012-09-13" @default.
- W1965291257 modified "2023-09-27" @default.
- W1965291257 title "SCOTS: a reverse Hartmann test with high dynamic range for Giant Magellan Telescope primary mirror segments" @default.
- W1965291257 doi "https://doi.org/10.1117/12.926719" @default.
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