The National Ignition Facility: Transition to a User Facility

被引：23

作者：

Moses, E. I. ^{[1
]}

Atherton, J. ^{[1
]}

Lagin, L. ^{[1
]}

Larson, D. ^{[1
]}

Keane, C. ^{[1
]}

MacGowan, B. ^{[1
]}

Patterson, R. ^{[1
]}

Spaeth, M. ^{[1
]}

Van Wonterghem, B. ^{[1
]}

Wegner, P. ^{[1
]}

Kauffman, R. ^{[1
]}

机构：

[1] Lawrence Livermore Natl Lab, Livermore, CA 94450 USA

来源：

8TH INTERNATIONAL CONFERENCE ON INERTIAL FUSION SCIENCES AND APPLICATIONS (IFSA 2013) | 2016年 / 688卷

关键词：

FUSION;

D O I：

10.1088/1742-6596/688/1/012073

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The National Ignition Facility (NIF) at Lawrence Livermore National Laboratory (LLNL) has been operational since March 2009 and has been transitioning to a user facility supporting ignition science, high energy density science (HEDS), national security applications, and fundamental science. The facility has achieved its design goal of 1.8 MJ and 500 TW of 3 omega light on target, and has performed target experiments with 1.9 MJ at peak powers of 410 TW. The facility is on track to perform over 200 target shots this year in support of all of its user communities. The facility has nearly 60 diagnostic systems operational and has shown flexibility in laser pulse shape and performance to meet the requirements of its multiple users. Progress continues on its goal of demonstrating thermonuclear burn in the laboratory. It has performed over 40 indirect-drive experiments with cryogenic-layered capsules. New platforms are being developed for HEDS and fundamental science. Equation-of-state and material strength experiments have been done on a number of materials with pressures of over 50 MBars obtained in diamond, conditions never previously encountered in the laboratory and similar to those found in planetary interiors. Experiments are also in progress investigating radiation transport, hydrodynamic instabilities, and direct drive implosions. NIF continues to develop as an experimental facility. Advanced Radiographic Capability (ARC) is now being installed on NIF for producing high-energy radiographs of the imploded cores of ignition targets and for short pulse laser-plasma interaction experiments. One NIF beam is planned for conversion to two picosecond beams in 2014. Other new diagnostics such as x-ray Thomson scattering, low energy neutron spectrometer, and multi-layer reflecting x-ray optics are also planned. Incremental improvements in laser performance such as improved optics damage performance, beam balance, and back reflection control are being pursued.

引用

页数：9

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