Frustraum 1100 experimental campaign on the national ignition facility

被引：0

作者：

Baker, K. L. ^{[1
]}

Amendt, P. A. ^{[1
]}

Mariscal, D. A. ^{[1
]}

Sio, H. ^{[1
]}

Landen, O. L. ^{[1
]}

Ho, D. D. ^{[1
]}

Smalyuk, V. A. ^{[1
]}

Lindl, J. D. ^{[1
]}

Ross, J. S. ^{[1
]}

Aghaian, L. ^{[2
]}

Allen, A. ^{[2
]}

Aybar, N. ^{[1
]}

Birge, N. W. ^{[1
,2
,3
]}

Casey, D. T. ^{[1
]}

Celliers, P. M. ^{[1
]}

Chen, H. ^{[1
]}

Fehrenbach, T. ^{[1
,3
,4
]}

Fittinghoff, D. ^{[1
]}

Geppert-Kleinrath, H. ^{[1
,2
,3
]}

Geppert-Kleinrath, V. ^{[1
,2
,3
]}

Glenzer, S. H. ^{[1
,5
]}

Haan, S. W. ^{[1
]}

Hinkel, D. E. ^{[1
]}

Khan, S. F. ^{[1
]}

Kong, C. ^{[1
,2
]}

Kritcher, A. L. ^{[1
]}

Millot, M.

Milovich, J. L. ^{[1
]}

Nikroo, A. ^{[1
]}

Nora, R. C. ^{[1
]}

Pak, A. ^{[1
]}

Ping, Y. ^{[1
]}

Ralph, J. E. ^{[1
]}

Ratledge, M. ^{[1
,2
]}

Roskopf, N. ^{[1
]}

Rubery, M. S. ^{[1
]}

Stadermann, M. ^{[1
]}

Strozzi, D. J. ^{[1
]}

Wild, C. ^{[1
,4
]}

Woodworth, B. N. ^{[1
]}

Young, C. V. ^{[1
]}

机构：

[1] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[2] Gen Atom, San Diego, CA 92186 USA

[3] Los Alamos Natl Lab, Los Alamos, NM 87544 USA

[4] Diamond Mat, Freiburg, Germany

[5] Stanford Univ, Menlo Pk, CA 94025 USA

来源：

HIGH ENERGY DENSITY PHYSICS | 2024年 / 53卷

关键词：

Inertial fusion; PHYSICS BASIS;

D O I：

10.1016/j.hedp.2024.101158

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：

We present findings from an experimental tuning campaign aimed at igniting larger DT cryogenic layered implosions using a dual frustum shaped hohlraum, denoted "frustraum". The frustraum's distinctive shape reduces hohlraum wall losses while concurrently enhancing minimum capsule clearance with the hohlraum wall and sensitivity to pointing changes. Compared to current cylindrical hohlraum (6.4 x 11.24 mm), the frustraum has a wall area approximately 20 % smaller, resulting in a measured improvement in efficiency of around 12 %. Consequently, 12 % less laser energy is required to implode a capsule within the same acceleration timeframe. Conversely, directing the same laser energy into the frustraum yields higher ion temperatures within symmetry capsules, along with increased radiation temperatures and reduced implosion acceleration times compared to current cylindrical hohlraums.

引用

页数：12

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