Fast ignition without hole boring

被引:45
作者
Hain, S [1 ]
Mulser, P [1 ]
机构
[1] Darmstadt Univ Technol, D-64289 Darmstadt, Germany
关键词
D O I
10.1103/PhysRevLett.86.1015
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A fast-ignitor scheme for inertial confinement Fusion is proposed which works without hole boring. It is shown that a thermonuclear burn wave starts from the pellet corona when an adequate amount of energy (typically 10 kJ) is deposited in the critical layer by a petawatt laser ("coronal ignition"). Burn efficiencies as high as predicted for standard central spark ignition an achieved. In addition, the scheme is surprisingly insensitive to large deviations from spherical precompression symmetry. It may open a new prospect for direct drive.
引用
收藏
页码:1015 / 1018
页数:4
相关论文
共 21 条
[1]   Anomalous absorption of very high-intensity laser pulses propagating through moderately dense plasma [J].
Adam, JC ;
Heron, A ;
Guerin, S ;
Laval, G ;
Mora, P ;
Quesnel, B .
PHYSICAL REVIEW LETTERS, 1997, 78 (25) :4765-4768
[2]   A DIFFUSIVE MODEL FOR ALPHA-PARTICLE ENERGY-TRANSPORT IN A LASER PLASMA [J].
ATZENI, S ;
CARUSO, A .
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA B-GENERAL PHYSICS RELATIVITY ASTRONOMY AND MATHEMATICAL PHYSICS AND METHODS, 1981, 64 (02) :383-395
[3]  
ATZENI S, 2000, INERTIAL FUSION SCI, P415
[4]   Fast-electron transport in high-intensity short-pulse laser-solid experiments [J].
Bell, AR ;
Davies, JR ;
Guerin, S ;
Ruhl, H .
PLASMA PHYSICS AND CONTROLLED FUSION, 1997, 39 (05) :653-659
[5]   Observations of collimated ionization channels in aluminum-coated glass targets irradiated by ultraintense laser pulses [J].
Borghesi, M ;
Mackinnon, AJ ;
Bell, AR ;
Malka, G ;
Vickers, C ;
Willi, O ;
Davies, JR ;
Pukhov, A ;
Meyer-ter-Vehn, J .
PHYSICAL REVIEW LETTERS, 1999, 83 (21) :4309-4312
[6]   Short-pulse high-intensity laser-generated fast electron transport into thick solid targets [J].
Davies, JR ;
Bell, AR ;
Haines, MG ;
Guerin, SM .
PHYSICAL REVIEW E, 1997, 56 (06) :7193-7203
[7]   Interaction physics of the fast ignitor concept [J].
Deutsch, C ;
Furukawa, H ;
Mima, K ;
Murakami, M ;
Nishihara, K .
PHYSICAL REVIEW LETTERS, 1996, 77 (12) :2483-2486
[8]   Hydrodynamic models and schemes for fast ignition [J].
Hain, S ;
Mulser, P ;
Cornolti, F ;
Opower, H .
LASER AND PARTICLE BEAMS, 1999, 17 (02) :245-263
[9]  
HAIN S, 1999, PROPAGATION INTENSE, P88
[10]   Particle-in-cell simulations of ultra intense laser pulses propagating through overdense plasma for fast-ignitor and radiography applications [J].
Lasinski, BF ;
Langdon, AB ;
Hatchett, SP ;
Key, MH ;
Tabak, M .
PHYSICS OF PLASMAS, 1999, 6 (05) :2041-2047