Reconstruction of 2D x-ray radiographs at the National Ignition Facility using pinhole tomography

被引：13

作者：

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

Rygg, J. R. ^{[1
]}

Barrios, M. A. ^{[1
]}

Benedetti, L. R. ^{[1
]}

Doeppner, T. ^{[1
]}

Izumi, N. ^{[1
]}

Jones, O. ^{[1
]}

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

Ma, T. ^{[1
]}

Nagel, S. R. ^{[1
]}

Pak, A. ^{[1
]}

Tommasini, R. ^{[1
]}

Bradley, D. K. ^{[1
]}

Town, R. P. J. ^{[1
]}

机构：

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

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2014年 / 85卷 / 11期

关键词：

Compendex;

D O I：

10.1063/1.4890395

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Two-dimensional radiographs of imploding fusion capsules are obtained at the National Ignition Facility by projection through a pinhole array onto a time-gated framing camera. Parallax among images in the image array makes it possible to distinguish contributions from the capsule and from the backlighter, permitting correction of backlighter non-uniformities within the capsule radiograph. Furthermore, precise determination of the imaging system geometry and implosion velocity enables combination of multiple images to reduce signal-to-noise and discover new capsule features. (C) 2014 AIP Publishing LLC.

引用

页数：6

共 9 条

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