Temporally-stable active precision mount for large optics
Optics Express, ISSN: 1094-4087, Vol: 24, Issue: 12, Page: 13527-13541
2016
- 10Citations
- 12Captures
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Article Description
We present a temporally-stable active mount to compensate for manufacturing-induced deformations of reflective optical components. In this paper, we introduce the design of the active mount, and its evaluation results for two sample mirrors: a quarter mirror of 115 x 105 x 9 mm, and a full mirror of 228 x 210 x 9 mm. The quarter mirror with 20 actuators shows a best wavefront error rms of 10 nm. Its installation position depending deformations are addressed by long-time measurements over 14 weeks indicating no significance of the orientation. Size-induced differences of the mount are studied by a full mirror with 80 manual actuators arranged in the same actuator pattern as the quarter mirror. This sample shows a wavefront error rms of (27±2) nm over a measurement period of 46 days. We conclude that the developed mount is suitable to compensate for manufacturing-induced deformations of large reflective optics, and likely to be included in the overall systems alignment procedure.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84978971611&origin=inward; http://dx.doi.org/10.1364/oe.24.013527; http://www.ncbi.nlm.nih.gov/pubmed/27410369; https://www.osapublishing.org/abstract.cfm?URI=oe-24-12-13527; https://www.osapublishing.org/viewmedia.cfm?URI=oe-24-12-13527&seq=0; https://opg.optica.org/abstract.cfm?URI=oe-24-12-13527; https://dx.doi.org/10.1364/oe.24.013527; https://opg.optica.org/oe/abstract.cfm?uri=oe-24-12-13527
The Optical Society
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