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All issues Volume 13 / No 1 (March 2020) TST, 13 1 (2020) 1-21 Full HTML
Open Access

Fig. 8

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Measured high-power near-field pattern of the co-rotating 165 GHz TE31,17-mode with OAM state number l = 30 at the up-taper output (140 mm diameter). The caustic radius is Rc = 22.9 mm.