Explore the principles of Faraday rotation and reflectometry in plasma diagnostics through this comprehensive lecture from MIT's Principles of Plasma Diagnostics course. Delve into advanced refractive index diagnostic techniques as instructor Jack Hare guides you through the intricacies of these methods. Gain valuable insights into how these tools are used to analyze and understand plasma behavior in various applications. Enhance your understanding of plasma physics and diagnostic techniques in this hour-long session, part of a broader series on plasma diagnostics available through MIT OpenCourseWare.