Experimental achievement and signatures of ignition at the National Ignition Facility.


Journal

Physical review. E
ISSN: 2470-0053
Titre abrégé: Phys Rev E
Pays: United States
ID NLM: 101676019

Informations de publication

Date de publication:
Aug 2022
Historique:
received: 24 06 2022
accepted: 06 07 2022
entrez: 16 9 2022
pubmed: 17 9 2022
medline: 17 9 2022
Statut: ppublish

Résumé

An inertial fusion implosion on the National Ignition Facility, conducted on August 8, 2021 (N210808), recently produced more than a megajoule of fusion yield and passed Lawson's criterion for ignition [Phys. Rev. Lett. 129, 075001 (2022)10.1103/PhysRevLett.129.075001]. We describe the experimental improvements that enabled N210808 and present the first experimental measurements from an igniting plasma in the laboratory. Ignition metrics like the product of hot-spot energy and pressure squared, in the absence of self-heating, increased by ∼35%, leading to record values and an enhancement from previous experiments in the hot-spot energy (∼3×), pressure (∼2×), and mass (∼2×). These results are consistent with self-heating dominating other power balance terms. The burn rate increases by an order of magnitude after peak compression, and the hot-spot conditions show clear evidence for burn propagation into the dense fuel surrounding the hot spot. These novel dynamics and thermodynamic properties have never been observed on prior inertial fusion experiments.

Identifiants

pubmed: 36109932
doi: 10.1103/PhysRevE.106.025202
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

025202

Auteurs

A B Zylstra (AB)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

A L Kritcher (AL)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

O A Hurricane (OA)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

D A Callahan (DA)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

J E Ralph (JE)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

D T Casey (DT)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

A Pak (A)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

O L Landen (OL)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

B Bachmann (B)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

K L Baker (KL)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

L Berzak Hopkins (L)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

S D Bhandarkar (SD)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

J Biener (J)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

R M Bionta (RM)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

N W Birge (NW)

Los Alamos National Laboratory, Mail Stop F663, Los Alamos, New Mexico 87545, USA.

T Braun (T)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

T M Briggs (TM)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

P M Celliers (PM)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

H Chen (H)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

C Choate (C)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

D S Clark (DS)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

L Divol (L)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

T Döppner (T)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

D Fittinghoff (D)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

M J Edwards (MJ)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

M Gatu Johnson (M)

Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.

N Gharibyan (N)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

S Haan (S)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

K D Hahn (KD)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

E Hartouni (E)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

D E Hinkel (DE)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

D D Ho (DD)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

M Hohenberger (M)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

J P Holder (JP)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

H Huang (H)

General Atomics, San Diego, California 92186, USA.

N Izumi (N)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

J Jeet (J)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

O Jones (O)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

S M Kerr (SM)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

S F Khan (SF)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

H Geppert Kleinrath (H)

Los Alamos National Laboratory, Mail Stop F663, Los Alamos, New Mexico 87545, USA.

V Geppert Kleinrath (V)

Los Alamos National Laboratory, Mail Stop F663, Los Alamos, New Mexico 87545, USA.

C Kong (C)

General Atomics, San Diego, California 92186, USA.

K M Lamb (KM)

Los Alamos National Laboratory, Mail Stop F663, Los Alamos, New Mexico 87545, USA.

S Le Pape (S)

Laboratoire pour l'utilisation des Lasers Intenses chez École Polytechnique, F-91128 Palaiseau cedex, France.

N C Lemos (NC)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

J D Lindl (JD)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

B J MacGowan (BJ)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

A J Mackinnon (AJ)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

A G MacPhee (AG)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

E V Marley (EV)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

K Meaney (K)

Los Alamos National Laboratory, Mail Stop F663, Los Alamos, New Mexico 87545, USA.

M Millot (M)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

A S Moore (AS)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

K Newman (K)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

J-M G Di Nicola (JG)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

A Nikroo (A)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

R Nora (R)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

P K Patel (PK)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

N G Rice (NG)

General Atomics, San Diego, California 92186, USA.

M S Rubery (MS)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

J Sater (J)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

D J Schlossberg (DJ)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

S M Sepke (SM)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

K Sequoia (K)

General Atomics, San Diego, California 92186, USA.

S J Shin (SJ)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

M Stadermann (M)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

S Stoupin (S)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

D J Strozzi (DJ)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

C A Thomas (CA)

Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14623, USA.

R Tommasini (R)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

C Trosseille (C)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

E R Tubman (ER)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

P L Volegov (PL)

Los Alamos National Laboratory, Mail Stop F663, Los Alamos, New Mexico 87545, USA.

C R Weber (CR)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

C Wild (C)

Diamond Materials Gmbh, 79108 Freiburg, Germany.

D T Woods (DT)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

S T Yang (ST)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

C V Young (CV)

Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, California 94551-0808, USA.

Classifications MeSH