Stellarator
A magnetic confinement fusion device that confines plasma through a complex, twisted configuration of magnetic field coils. Compared with the tokamak, it offers more stable plasma confinement characteristics but entails greater engineering complexity.
Timeline (last 90 days)
The representative devices of magnetic confinement fusion are the tokamak (such as ITER) and the stellarator, whose advantages are long plasma confinement times and relatively clear physical mechanisms, while the disadvantages are enormous device size and extremely high construction costs.
Proxima Fusion is a nuclear fusion company pursuing the stellarator technology approach.
Tokamaks confine plasma using a toroidal magnetic field and the plasma's own current, have a relatively simple structure but tend toward pulsed operation and are prone to disruptions; stellarators rely on external coils to generate a three-dimensional helical magnetic field, are suitable for steady-state operation, but are more difficult and costly to manufacture.
All Facts (3)
Tokamaks confine plasma using a toroidal magnetic field and the plasma's own current, have a relatively simple structure but tend toward pulsed operation and are prone to disruptions; stellarators rely on external coils to generate a three-dimensional helical magnetic field, are suitable for steady-state operation, but are more difficult and costly to manufacture.
60%UnverifiedThe representative devices of magnetic confinement fusion are the tokamak (such as ITER) and the stellarator, whose advantages are long plasma confinement times and relatively clear physical mechanisms, while the disadvantages are enormous device size and extremely high construction costs.
50%UnverifiedProxima Fusion is a nuclear fusion company pursuing the stellarator technology approach.
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