41.8-nm Xe8+ laser driven in a plasma waveguide -: art. no. 023821

被引:12
作者
Butler, A
Gonsalves, AJ
McKenna, CM
Spence, DJ
Hooker, SM
Sebban, S
Mocek, T
Betttaibi, I
Cros, B
机构
[1] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England
[2] Ecole Polytech, ENSTA, CNRS,UMR 7639, Lab Opt Appl, F-91761 Palaiseau, France
[3] Univ Paris 11, CNRS, UMR 8578, LPGP, F-91405 Orsay, France
来源
PHYSICAL REVIEW A | 2004年 / 70卷 / 02期
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1103/PhysRevA.70.023821
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
An experimental demonstration of an optical field ionization short-wavelength laser driven in a gas-filled capillary-discharge waveguide is described in detail. Guiding of high-intensity laser pulses has previously been demonstrated with this type of waveguide for capillary discharges in hydrogen. For the present experiments xenon gas was mixed with the hydrogen, and strong lasing on the 4d(9)5d-4d(9)5p transition in Xe8+ at 41.8 nm was observed. Under optimum conditions the short-wavelength laser output achieved with the waveguide was found to be greater than that from a Xe gas cell. Measurements of the transmission of the pump laser pulses through the waveguide show that the short-wavelength laser signal was greatest under conditions for which the pump laser pulses were well guided. Simulations of the propagation of the pump laser radiation are presented for a range of initial plasma conditions, and these indicate that the laser-plasma interaction length achieved was greatly increased compared to that which can be achieved in a gas cell.
引用
收藏
页码:023821 / 1
页数:10
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