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Hosokai, Tomonao; Kando, Masaki; Dewa, Hideki; Kotaki, Hideyuki; Kondo, Shuji; Kanazawa, Shuhei; Nakajima, Kazuhisa; Horioka, Kazuhiko
Proceedings of the first symposium on advanced photon research2000
Proceedings of the first symposium on advanced photon research2000
AbstractAbstract
[en] We have proposed optical guiding of intense laser pulse by fast Z-pinch for channel guided laser wakefield acceleration (LWFA). It has been developed based on capillary discharge-pumped X-ray laser technique. The discharge driven by current of 4.8 kA with a rise time of 15 ns through preionized helium gas could produce an uniform guiding channel with good reproducibility. With this new guiding method an intense Ti-Sapphire laser pulse (λ=790 nm, 2.2 TW, 90 fs, 1 x 1017 W/cm2) was transported through the channel over a distance of 2 cm corresponding to 12.5 times the Rayleigh length. (author)
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Japan Atomic Energy Research Inst., Tokyo (Japan); 363 p; Mar 2000; p. 250-253; 1. symposium on advanced photon research; Seika, Kyoto (Japan); 8-9 Nov 1999; 9 refs., 3 figs.
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