Radioisotope Power System: Plutonium-238 Production -- ANS / Conferences / Nuclear and Emerging Technologies for Space (NETS 2025) / Technical Sessions

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  September 8–11, 2025
  Atlanta, GA|Atlanta Marriott Marquis
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  High-power electricity direct from radiation is the vision of Rads to Watts
  You could call it a power contest. Teams picked for a new research program from the Defense Advanced Research Projects Agency (DARPA) will compete to design radiovoltaic cells that can outperform others in measured power density and endure high-flux radiation from a U.S. Army Research Lab linear accelerator. The top teams will strive to make it through a second downselect based on the performance of cells sequestered in time capsules and subjected to even more punishing high-flux radiation. Concepts that make it to the bonus period have a chance to be built into radioisotope-fueled power systems uniquely suited to high-radiation regions of space or dark, remote places on Earth.
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Papers

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Risk Analysis of Radiological Release from Pu-238 Production Targets During Manual Handling

1:00–1:25PM CDT

Daniel K. Sluder (INL), Igor A. Sarygin (INL), Jacob L. Westacott (INL), Matthew D. Horkley (INL)

Paper

Chemical Processing Waste Remediation in the Plutonium-238 Supply Program

1:25–1:50PM CDT

Briana R. Schrage (ORNL), Jisue Moon (ORNL), Ethan Villarreal (Virginia Commonwealth Univ.), Sam Cummings (ORNL), Doug Crawford (ORNL), Kristian G. Myhre (ORNL), Adam J. Parkison (ORNL)

Paper

Materials Characterization Capabilities for the Plutonium-238 Supply Program

1:50–2:15PM CDT

Kathryn M. Peruski (ORNL), Connor J. Parker (ORNL), Samantha K. Cary (ORNL), Chris L. Jensen (ORNL), Adam J. Parkison (ORNL)

Paper

Capabilities for Studying Temperature Dependence in Optical Spectra of Actinides in Support of the Plutonium-238 Supply Program

2:15–2:40PM CDT

Sara E. Gilson (ORNL), Luke R. Sadergaski (ORNL), Hunter B. Andrews (ORNL), Adam J. Parkison (ORNL)

Paper

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