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Fig. 3
Intensities |ΨAk|2 of waves in the A plane propagating with different directions of kρφ: (a) ρ =0, (b) ρ = 30″, and (c) ρ = 60″ (φ = 35° in the latter two cases). Only the part of ΨA that enters into the aperture produces signal in further planes of the telescope.
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