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Events on Tuesday, March 19th, 2024

Electron Cyclotron Heating in the WHAM device
Time: 2:00 pm - 4:00 pm
Place: B343 Sterling
Speaker: Jonathan Pizzo, Physics Graduate Student
Abstract: The Wisconsin HTS Axisymmetric Mirror (WHAM) is an experiment that will study the axisymmetric mirror as a candidate for magnetically confined fusion energy. WHAM will use electron cyclotron heating (ECH) for many important functions that are necessary to achieve its physics goals. The ECH system has been designed and built over the past 4 years to reliably deliver up to 500kW of 110 GHz power into the WHAM central cell, with control over power level, polarization, pulse length, and deposition location. When operational, this will give WHAM the highest ECH power density of any plasma device to date. In this presentation I will discuss the design and construction of the ECH system throughout the years, including the gyrotron, waveguide transmission line, launch system, and other components. I will also discuss planned future experiments to be done with ECH on WHAM and the potential to use off-axis ECH heating to improve the MHD stability of an axisymmetric mirror.
Host: Cary Forest
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