Building a GRAVITY+ Adaptive Optics Test Bench
OPTICAL AND INFRARED INTERFEROMETRY AND IMAGING VIII(2022)
摘要
We present the testbench aimed at integrating the GRAVITY+ adaptive optics GPAO. It consists of two independent elements, one reproducing the Coude focus of the telescope, including the telescope deformable mirror mount (with its surface facing down), and one reproducing the Coude room opto-mechanical environment, including a downwards-propagating beam, and the telescope mechanical interfaces in order to fit in the new GPAO wavefront sensor. We discuss in this paper the design of this bench and the solutions we adopted to keep the cost low, keep the design compact (allowing it to be fully contained in a 20 sqm clean room), and align the bench independently from the adaptive optics. We also discuss the features we have set in this bench.
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关键词
SPIE Proceedings,Instrumentation: adaptive optics,interferometers,high angular resolution
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