Abstract

Target plate fluxes (C,H) were measured in the island divertor experiment of W7-AS by CCD cameras equipped with interference filters. Strike point patterns depend strongly on the confinement regime. Carbon fluxes are given for attached divertor plasmas under HDH and normal confinement conditions. Our studies show that the basic picture of the radiation zones which has emerged from the investigation of tokamak divertors has to be completed for the island divertor by additional radiation zones in the X-point regions.

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