Delivering laser performance conditions to enable fusion ignition, and beyond at the National Ignition Facility

被引：0

作者：

Di Nicola, J. M. ^{[1
]}

Suratwala, T. ^{[1
]}

Pelz, L. ^{[1
]}

Heebner, J. ^{[1
]}

Aden, R. ^{[1
]}

Alessi, D. ^{[1
]}

Amula, S. ^{[1
]}

Barnes, A. ^{[1
]}

Bhasker, A. ^{[1
]}

Bond, T. ^{[1
]}

Bude, J. ^{[1
]}

Buckley, B. ^{[1
]}

Browning, D. ^{[1
]}

Cabral, J. ^{[1
]}

CalonicoSoto, A. ^{[1
]}

Carr, W. ^{[1
]}

Chang, L. ^{[1
]}

Chou, J. ^{[1
]}

Cohen, S. ^{[1
]}

Cope, T. ^{[1
]}

Cross, D. ^{[1
]}

Deveno, R. ^{[1
]}

DeVore, P. ^{[1
]}

Deland, A. ^{[1
]}

Di Nicola, P. ^{[1
]}

Dumbacher, T. ^{[1
]}

Erbert, G. ^{[1
]}

Erickson, M. ^{[1
]}

Erlandson, A. ^{[1
]}

Filip, C. ^{[1
]}

Fratanduono, D. ^{[1
]}

Gottesman, N. ^{[1
]}

Gowda, A. ^{[1
]}

Handler, A. ^{[1
]}

Hernandez, V. J. ^{[1
]}

Herriot, S. ^{[1
]}

Horner, J. ^{[1
]}

House, R. ^{[1
]}

Kalantar, D. ^{[1
]}

Kegelmeyer, L. ^{[1
]}

Kinsella, C. ^{[1
]}

Lanier, T. ^{[1
]}

Larson, D. ^{[1
]}

Le Galloudec, B. ^{[1
]}

Lusk, J. ^{[1
]}

MacGowan, B. ^{[1
]}

McLaren, S. ^{[1
]}

Manes, K. ^{[1
]}

McCandless, K. ^{[1
]}

Mennerat, G. ^{[1
]}

机构：

[1] Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA

来源：

HIGH ENERGY DENSITY PHYSICS | 2024年 / 52卷

关键词：

Inertial confinement fusion; Laser; Modeling; System performance; Large optical components; Materials; BEAM FILAMENTATION; DAMAGE; OPTICS; MITIGATION; OPERATIONS; CAMPAIGN; DESIGN; SYSTEM;

D O I：

10.1016/j.hedp.2024.101130

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

On December 5th, 2022, controlled fusion ignition was demonstrated for the first time at the National Ignition Facility (NIF), a major achievement in the field of Inertial Confinement Fusion (ICF) requiring a multi-decadal effort involving broad national and international collaborations. To drive the fusion ignition reaction with the compressed fuel capsule, that yielded 3.15 MJ of nuclear energy [1], the NIF laser delivered a high-precision pulse shape with 2.05 MJ of ultra-violet (UV) laser energy and a peak power of 440 TW. This laser energy was an increase of similar to 8 % compared to that delivered on the previous "threshold of ignition" record yield experiment (1.37 MJ of yield for 1.89 MJ of laser energy) on August 8th, 2021 [2]. We explain how the results of our extensive research in laser technology and UV optics damage mitigation led to major improvements in the NIF laser, enabling this energy increase along with additional accuracy, precision, and power balance enhancements. Furthermore, we will discuss on-going efforts that have enabled operations at 2.2 MJ of UV energy as well as potential new initiatives to push the laser performance -accuracy and delivered energy- to even higher levels in the future as previously demonstrated on a small subset of NIF beams [3].

引用

页数：18

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