Curt Johnson Contact JOHNSONCA@ORNL.GOV All Publications Predictive outlook for experiments resolving prompt vs local redeposition of high-Z materials in tokamaks Investigation of materials for radio frequency antenna plasma facing components Filterscope Techniques for Parasitic Signal Screening Dependence of high-Z redeposition on the field-to-surface pitch angle and other sheath parameters in tokamaks Refining light impurity content estimates at the lower divertor based on experimental data in WEST Characterizing W sources in the all-W wall, all-RF WEST tokamak environment Development of an Integrated Multidiagnostic to Assess the High-Z Impurity Fluxes in the Metallic Environment of WEST Using IMAS Key Links