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- W2009395879 abstract "The feasibility of using scalar diffraction theory for calculation of different telescope aperture segments influence and their surface quality represented by phase inhomogeneity on radiated field focusing quality is analyzed. An algorithm and a program for numerical calculation that are free from optical system axis symmetry and also constraint type kr>>1 is developed and described. The values of phase inhomogeneity determine the requirements for quality high aperture and/or segmented mirrors, that in general case have not axis symmetry. The influence level of factor of segment placement and its quality on resultant focusing is the metrics of Strehl ratio. Decrease of influence value of phase inhomogeneity at move off segments from axis (in case of axial symmetry) is determined, and than some increase observed at coming near the aperture edge. The developed method makes it possible to get amplitude and phase distribution for real surface and at arbitrary distances from the telescope mirror. It affords a basis for further research on image correction received from distant stars by using calculated spread function of optical system and also is very promising for resolution increasing." @default.
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- W2009395879 date "2006-06-14" @default.
- W2009395879 modified "2023-09-23" @default.
- W2009395879 title "Numerical modeling of influence telescope segment placement at aperture and its quality on focusing radiated field" @default.
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- W2009395879 doi "https://doi.org/10.1117/12.671200" @default.
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