Radiation Surface Science and Engineering Lab

Felipe Bedoya

Department Department of Nuclear, Plasma, and Radiological Engineering

Ph.D. Student, main research: On line characterization of plasma facing components in tokamak devices. Study of materials used in fusion environments using chemical and structural analysis techniques e.g. XPS, ISS, SEM.


  • BS Mechanical Engineering. Universidad del Valle, Cali, Colombia (2010)
  • M.S. Nuclear, Plasma and Radiological Engineering, University of Illinois at Urbana – Champaign (2015) Thesis: Study of temperature dependence of hydrogen retention in lithium coatings on stainless steel with the Materials Analysis Particle Probe (MAPP)


  • Upgrade of the Materials Analysis Particle Probe (MAPP-U) to decipher the impact of lithium-based surfaces on NSTX-U plasma behavior.

Research Interests

  • In-situ plasma facing components diagnostic
  • Plasma-materials interaction in fusion reactors
  • Ion based characterization techniques


  • Francisco Jose de Caldas Scholarship. Department of science, technology and innovation-Colciencias.

External Travel

  • Princeton Plasma Physics Laboratory, Princeton, NJ. (June 2013 – August 2013).
  • Princeton Plasma Physics Laboratory, Princeton, NJ. (June 2014 – August 2014).

Selected Publications

  • Upgrade Of The Materials Analysis Particle Probe (MAPP) Plasma-Facing Component Diagnostic. 25th Symposium on Fusion Engineering. San Francisco, CA (2013).
  • In-situ studies of stainless steel exposed to hydrogen plasmas in the Lithium Tokamak Experiment (LTX). 55th Annual Meeting of the APS Division of Plasma Physics, Denver, CO (2013).
Office NRL 109