The MIT Phase Contrast Imaging (PCI) project at DIII-D at General Atomics in San Diego has an opening for a new Post-Doctoral Associate to join the team. PCI is an imaging interferometer that provides an absolutely calibrated, wide bandwidth spatially resolved measurement of density fluctuations, and has been used in the past to measure turbulence and related transport as well as MHD modes and ICRF wave propagation in C-Mod. The DIII-D program has recently added a new MW-level RF system at a frequency of 476 MHz, with the goal of demonstrating RF current drive with whistler (or helicon) waves with application to future reactors. The MIT group is developing a novel extension of the PCI technique to allow heterodyne detection of the helicon wave by modulating the PCI laser via an Electro-