Preliminary measurements of electron cyclotron emission from the PFRC II

Understanding energy flows in magnetic fusion energy reactors is critical to achieving practical designs. Cyclotron radiation is expected to be an important energy loss channel in reactors utilizing advanced fuels, e. g. D-He3, due to the required core plasma temperatures. Current models for a full-scale reactor based on the Princeton Field-Reversed Configuration (PFRC) include predictions for electron cyclotron emission (ECE), though with uncertainties on the order of 10% or more. Properly characterizing the spectrum and intensity of radiation emitted by the PFRC II would improve the accuracy of these models. Results of tracing waves through FRC-like equilibria and preliminary measurements of ECE from the PFRC II are presented, along with comments on their applicability to reactor-scale FRC models.