Publications

Explore our latest research, technical insights, and contributions to the field.

Research

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Frontiers in Nuclear Engineering

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June 26, 2026

On the Feasibility of Fissile Material Production With Inertial Electrostatic Confinement Fusion Devices

Fusors are becoming attractive as neutron sources, but could in theory be misused to make weapons material. This paper checks whether that's actually a realistic risk.

Patents

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WIPO (PCT)

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December 11, 2025

PCT Application WO2025253127A1 — "Improvements in and Relating to Isotope Production"

A follow-on filing to the reactor systems patent, this one covers producing a specific list of medical isotopes using neutrons generated mostly by deuterium-tritium fusion.

Patents

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WIPO (PCT)

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December 11, 2025

PCT Application WO2025253128A1 - "Improvements in and Relating to Nuclear Fusion Reactor Systems"

A follow-on filing to the reactor systems patent, this one covers producing a specific list of medical isotopes using neutrons generated mostly by deuterium-tritium fusion.

Research

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Frontiers in Nuclear Engineering

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August 25, 2025

An Overview of Research Groups and Their Activities in the Field of Inertial Electrostatic Confinement Fusion

A survey of the global IECF research landscape, cataloguing nearly 1,000 publications from more than 100 universities, institutes and companies.

Research

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Materials (MDPI)

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August 9, 2025

The Effect of Electrode Materials on the Fusion Rate in Multi-State Fusion Reactors

Testing three anode materials in a multi-state fusion reactor, this study finds zirconium mesh significantly outperforms stainless steel for neutron production.

Security

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Journal of Applied Physics (AIP)

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September 21, 2024

Fusion Neutron Source and Array of Particle Detectors for Nondestructive Interrogation of Special Nuclear Materials

This portable neutron detection system correctly flagged 140g of U-235 98% of the time, with a false alarm rate under 5% — enough to hit the ANSI standard target.

Patents

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UK Intellectual Property Office

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September 18, 2024

UK Patent GB2607946B - "Particle Generating Apparatus"

Astral's core patent covers coating the anode or cathode with a fuel-enriched surface so fusion happens in the solid material itself, not just the plasma, boosting neutron output without extra power.

Security

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Nuclear Science and Techniques

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May 31, 2024

Nondestructive and Active Interrogation System for Special Nuclear Material: Proof of Principle and Initial Results

The companion paper to entry 12 above, this one lays out the detection results in more detail, including successfully spotting 10 grams of highly enriched uranium.

Research

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Journal of Radiation Research and Applied Sciences

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March 28, 2024

Radiation shielding for inertial electrostatic confinement fusion system utilizing concrete and water

Water and concrete both hold up against IECF radiation, but not equally — this study pins down exactly how much of each you need to cut a 2.45 MeV neutron dose down to 1%.

Research

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Fusion Science and Technology

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August 10, 2023

Influence of the Hydrogen Isotope Affinity of the Cathode Coating Material on the Neutron Production Rate in the Glow Discharge-Type Fusion Neutron Source

Coating a cathode with diamond-like carbon boosted neutron output by up to 10 times over an uncoated one, this study finds, thanks to how much more deuterium the coating captures.

Coming soon...