Our modern society requires environmentally friendly solutions for energy production.
Energy can be released not only from the fission of heavy nuclei but also from the fusion of …

The use of tungsten (W) as material for plasma-facing components (PFM) in fusion devices
is reviewed with respect to its plasma and material compatibility under burning plasmas …

This special issue of Fusion Science and Technology is a comprehensive review of the main
physical and technological results achieved with the A xial S ymmetric D ivertor EX periment …

The WEST project recently launched at Cadarache consists in transforming Tore Supra in an
X-point divertor configuration while extending its long pulse capability, in order to test the …

The tungsten programme in ASDEX Upgrade is pursued towards a full high-Z device. The
spectroscopic diagnostic of W has been extended and refined and the cooling factor of W …

The observation in JET of co-deposition of tritium with carbon has led to a broad discussion
on the replacement of graphite by a high-Z material for the first wall coverage. Moreover, due …

Operation with all tungsten plasma facing components has become routine in ASDEX
Upgrade. The conditioning of the device is strongly simplified and short glow discharges are …

Tungsten was injected by means of laser ablation in both ohmic and additionally heated
plasmas of the ASDEX Upgrade tokamak experiment. Spectroscopic investigations were …

At the central column of ASDEX Upgrade, an area of 5.5 m 2 of graphite tiles was replaced
by tungsten-coated tiles representing about two-thirds of the total area of the central column …

Plasma operation with high-Z plasma facing components is investigated with regard to
sputtering, core impurity contamination and scenario restrictions. A simple model based on …