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Technical LibraryGlossary of Fusion & Plasma Terms
Glossary

Sawtooth Period & Inversion Radius

The timing and extent of core sawtooth crashes.

Glossary of Fusion & Plasma TermsUpdated 2026-08-11

The sawtooth period sets how often the core temperature crashes, and the inversion radius how far out the crash reaches. Both are managed to avoid seeding larger tearing modes.

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Content reviewed August 2026 · design-and-simulation stage