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公开(公告)号:US20170276552A1
公开(公告)日:2017-09-28
申请号:US15510839
申请日:2015-09-18
发明人: Cindy BELLANGER , Maxime DEPREZ , Laurent LOMBARD , Jerome PRIMOT
CPC分类号: G01J9/02 , G01J9/0215 , G01J2009/002
摘要: A wavefront analyser is modified to simply determine the differences in amplitude and tilt which can exist between the different regions of an initial wavefront (S0). To achieve this, interference between two waves only is produced from beams (F1, F2) which come from neighbouring regions on the initial wavefront. Such an analyser can be used to coherently combine laser radiation produced by different sources arranged in parallel. Another use is for the determination of the differences in height and inclination which exist between the neighbouring mirror segments of a Keck telescope.