Real Time Phase Compensation Using a Tomographical Pupil Image Wavefront Sensor (TPI-WFS)
2016 15th Workshop on Information Optics (WIO)(2016)
摘要
This paper presents a method to recover the wavefront phase at the telescope pupil, distorted because of the atmosphere action, and its use to command a deformable mirror to compensate for the optical aberrations in real time (AOLI instrument). For this purpose, an evolution of the geometric sensor [1] was used to restore the wavefront from two defocused images. Furthermore, by using specialized hardware the computations can be performed in real time, within the stability time of the atmosphere.
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关键词
CUDA,GPU,Lucky Imaging,Wavefront sensor,Geometric sensor,AOLI,Real time,Adaptative Optics
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