Optical guiding of intense laser pulses by fast Z-pinch discharge

被引：0

作者：

Hosokai, T ^{[1
]}

Kando, M ^{[1
]}

Dewa, H ^{[1
]}

Kotaki, H ^{[1
]}

Kondo, S ^{[1
]}

Kanazawa, S ^{[1
]}

Hasegawa, N ^{[1
]}

Horioka, K ^{[1
]}

Nakajima, K ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Energy Sci, Tokyo 152, Japan

来源：

ELECTRICAL ENGINEERING IN JAPAN | 2001年 / 136卷 / 03期

关键词：

laser wakefield acceleration; intense ultrashort pulse laser; optical guide; channeling; fast Z-pinch discharge;

D O I：

10.1002/eej.1061

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We have proposed the optical guiding of intense laser pulses by fast Z-pinch for channel-guided laser wakefield acceleration (LWFA). The method has been developed based on capillary discharge-pumped X-ray laser technique. A discharge through preionized helium gas driven by a current of 4.8 kA with a rise time of 15 ns proved able to produce a uniform guiding channel with good reproducibility, less than the time jitter of 1.8 ns. The observed guiding channel formation process was corroborated by ID-MHD simulation. With this new guiding method, an intense Ti-sapphire laser pulse (h = 790 nm, 2.2 TW, 90 fs, 1 x 10(17) W/cm(2)) was transported through the channel over a distance of 2 cm, corresponding to 12.5 times the Rayleigh length. (C) 2001 Scripta Technica, Elects Eng Jpn, 136(3): 19-27, 2001.

引用

页码：19 / 27

页数：9

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