Robert Hoffswell working with a linear accelerator structure

The vertical cylindrical stack is a linear accelerator structure, also an RF cavity. The frequency reads 2.45 GHz on the digital readout on the lower right - the standard frequency for such structures. The circular display, a Smith chart, is a standard RF measurement of Impedance.  Seated at the structure is Robert Hoffswell (NPL RF engineer)., Credit Line: Department of Physics, University of Illinois at Urbana-Champaign, courtesy of AIP Emilio Segrè Visual Archives
Abstract/Description: The vertical cylindrical stack is a linear accelerator structure, also an RF cavity. The frequency reads 2.45 GHz on the digital readout on the lower right - the standard frequency for such structures. The circular display, a Smith chart, is a standard RF measurement of Impedance. Seated at the structure is Robert Hoffswell (NPL RF engineer).
Subject(s): Equipment and supplies
University of Illinois Urbana-Champaign. Department of Physics
Date Created: circa 1980-1989
Credit Line: Department of Physics, University of Illinois at Urbana-Champaign, courtesy of AIP Emilio Segrè Visual Archives
Catalog ID: University of Illinois Urbana-Champaign F31