Abstract
Radiation-driven, layered deuterium-tritium plastic capsule implosions were carried out using a new, 3-shock "adiabat-shaped" drive on the National Ignition Facility. The purpose of adiabat shaping is to use a stronger first shock, reducing hydrodynamic instability growth in the ablator. The shock can decay before reaching the deuterium-tritium fuel leaving it on a low adiabat and allowing higher fuel compression. The fuel areal density was improved by ∼25% with this new drive compared to similar "high-foot" implosions, while neutron yield was improved by more than 4 times, compared to "low-foot" implosions driven at the same compression and implosion velocity.
| Original language | English (US) |
|---|---|
| Article number | 080703 |
| Journal | Physics of Plasmas |
| Volume | 22 |
| Issue number | 8 |
| DOIs | |
| State | Published - Aug 1 2015 |
| Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Condensed Matter Physics
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