Plasma Diagnostic Signals to Turbulence Characteristics Select a plasma diagnostic technique from the dropdown below to learn how its signals are used to characterize turbulence in plasma physics. Choose a Plasma Diagnostic Technique: -- Select a Diagnostic -- Beam Emission Spectroscopy (BES) Microwave Reflectometry Langmuir Probe Charge Exchange Recombination Spectroscopy (CHERS) Gas Puff Imaging (GPI) Computed Tomography (CT) Show Characteristics Clear Download Information (PDF)