Relativistic intensity laser interactions with low-density plasmas

被引：2
|
作者：
Willingale, L. [1 ]
Nilson, P. M. [2 ]
Zulick, C. [1 ]
Chen, H. [3 ]
Craxton, R. S. [2 ]
Cobble, J. [4 ]
Maksimchuk, A. [1 ]
Norreys, P. A. [5 ]
Sangster, T. C. [2 ]
Scott, R. H. H. [5 ]
Stoeckl, C. [2 ]
机构：
[1] Univ Michigan, Ctr Ultrafast Opt Sci, 2200 Bonisteel Blvd, Ann Arbor, MI 48109 USA
[2] Univ Rochester, Laser Energet Lab, 250 E River Rd, Rochester, NY 14623 USA
[3] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA
[4] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
[5] Rutherford Appleton Lab, Cent Laser Facil, Didcot, Oxon, England
来源：
8TH INTERNATIONAL CONFERENCE ON INERTIAL FUSION SCIENCES AND APPLICATIONS (IFSA 2013) | 2016年 / 688卷
关键词：
CHANNEL FORMATION; PULSE; BEAMS;
D O I：
10.1088/1742-6596/688/1/012126
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We perform relativistic-intensity laser experiments using the Omega EP laser to investigate channeling phenomena and particle acceleration in underdense plasmas. A fundamental understanding of these processes is of importance to the hole-boring fast ignition scheme for inertial confinement fusion. Proton probing was used to image the electromagnetic fields formed as the Omega EP laser pulse generated a channel through underdense plasma. Filamentation of the channel was observed, followed by self-correction into a single channel. The channel radius as a function of time was found to be in reasonable agreement with momentum conserving snowplough models.
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页数：4
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