What question did this study set out to answer?

To evaluate the feasibility of the PMER-T reactor concept, which replaces active external heating with passive metasurface recycling of plasma radiation to achieve steady-state fusion confinement.

August 20, 2026Open Access

Concept of a Quasi-Steady-State Fusion Reactor with Stationary ECCD Confinement and Passive Metasurface Recycling of Plasma Cyclotron Radiation (PMER-T)

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To evaluate the feasibility of the PMER-T reactor concept, which replaces active external heating with passive metasurface recycling of plasma radiation to achieve steady-state fusion confinement.
Conducted 1D transport modeling and transient power balance simulations using a multi-threaded numerical solver.
Modeled a 1.25 T magnetic field tokamak integrating vacuum vessel wall CVD-diamond windows with microstrip metasurfaces and adaptive phase-shifting rectennas.
Recycled 35 GHz electron cyclotron radiation into 19 MHz resonant ion-cyclotron heating, elevating deuterium ions to thermonuclear temperatures of 13.06 keV.
Achieved a stationary non-inductive electron cyclotron current drive of 136.7 MA with an engineered energy gain factor (Q-factor) of approximately 16.3.

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Implication

Numerical simulation demonstrates passive cyclotron radiation recycling and a Q-factor of 16.3 in a tokamak reactor concept, indicating a pathway toward efficient steady-state fusion.

Cite This Study

Dmitry Zimnitsky (2026) studied this question.

synapsesocial.com/papers/6a86b5da8a91293e6a1cd699 https://doi.org/10.5281/zenodo.21998920

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Implication

Numerical simulation demonstrates passive cyclotron radiation recycling and a Q-factor of 16.3 in a tokamak reactor concept, indicating a pathway toward efficient steady-state fusion.

Concept of a Quasi-Steady-State Fusion Reactor with Stationary ECCD Confinement and Passive Metasurface Recycling of Plasma Cyclotron Radiation (PMER-T)

Key Points

Discussion

Implication

Cite This Study

Concept of a Quasi-Steady-State Fusion Reactor with Stationary ECCD Confinement and Passive Metasurface Recycling of Plasma Cyclotron Radiation (PMER-T)

Key Points

Discussion

Implication

Cite This Study

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