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To accelerate the electrons efficiently in the laser wake-field accelerator, it is necessary to suppress the instability induced by the diffraction and the defocusing of the laser pulse. The gas-filled capillary discharge waveguide can generate an approximately parabolic density distribution, which can guide the laser pulse efficiently and suppress the instability. Using the Stark effect, this plasma density distribution is measured in this paper, and the relationship between plasma density and filled pressure is presented. By using the MHD code CRMHA, the formation of the capillary waveguide is simulated and researched in detail.
[1] Tajima T, Dawson J M 1979 Phys. Rev. Lett. 43 267
[2] Xu H, Sheng Z M, Zhang 2007 J. Acta Phys. Sin. 56 968 (in Chinese)[徐 慧、 盛政明、 张 杰 2007 物理学报 56 968]
[3] Dong K G, Gu Y Q, Zhu B, Wu Y C, Cao L F, He Y L, Liu H J, Hong W, Zhou W M, Zhao Z Q, Jiao C Y, Wen X L, Zhang B H, Wang X F 2010 Acta Phys. Sin. 59 8733 (in Chinese)[董克攻、 谷渝秋、 朱 斌、 吴玉迟、 曹磊峰、 何颖玲、 刘红杰、 洪 伟、 周维民、 赵宗清、 焦春晔、 温贤伦、 张保汉、 王晓方 2010 物理学报 59 8733]
[4] Kneip S, Nagel S R, Martins S F, Mangles S P D, Bellei C, Chekhlov O, Clarke R J, Delerue N, Divall E J, Doucas G, Ertel K, Fiuza F, Fonseca R, Foster P, Hooker C J, Krushelnick K, Mori W B, Streeter M J V, Urner D, Vieira J, Silva L.O, Najmudin Z 2009 Phys. Rev. Lett. 103 035002
[5] Froula D H, Clayton C E, Doppner T, Marsh K A, Barty C P J, Divol L, Fonseca R A, Glenzer S H, Joshi C, Lu W, Martins S F, Michel P, Mori W B, Palastro J P, Pollock B B, Pak A, Ralph J E, Ross J S, Siders C W, Silva L O, Wang T 2009 Phys. Rev. Lett. 103 215006
[6] Jackel S, Burris R, Grun 1995 J. Opt. Lett. 20 1086
[7] Esarey E, Sprangle P, Krall J 1997 IEEE J. Quantum Electron. 33 1879
[8] Spence D J, Burnett P D S, Hooker S M 1999 Opt. Lett. 24 993
[9] Spence D J, Hooker S M 2001 Phys. Rev. E 63 015401(R)
[10] Gonsalves A J, Rowlands-Rees T P, Broks B H P, van der Mullen J J A M, Hooker S M 2007 Phys. Rev. Lett. 98 025002
[11] Lan K, Zhang, Eur Y Q 2002 Phys. J. Ap. 19 103
[12] Lan K, Ernst Fill, Jurgen Meyer-ter-Vehn 2003 Eur. Phys. Lett. 64 454
[13] Xiang Z L, Yu C X 1982 The diagnosis technology of high-temperature plasma (Vol.1)(Shanghai Scientific and Technical Publishers)p83(in Chinese)[项志遴、 余昌旋 编著 1982 高温等离子体诊断技术(上册) (上海科学技术出版社) 第83页]
[14] Ashkenazy J, Kipper R, Caner M 1991 Phys. Rev. A 43 5568
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[1] Tajima T, Dawson J M 1979 Phys. Rev. Lett. 43 267
[2] Xu H, Sheng Z M, Zhang 2007 J. Acta Phys. Sin. 56 968 (in Chinese)[徐 慧、 盛政明、 张 杰 2007 物理学报 56 968]
[3] Dong K G, Gu Y Q, Zhu B, Wu Y C, Cao L F, He Y L, Liu H J, Hong W, Zhou W M, Zhao Z Q, Jiao C Y, Wen X L, Zhang B H, Wang X F 2010 Acta Phys. Sin. 59 8733 (in Chinese)[董克攻、 谷渝秋、 朱 斌、 吴玉迟、 曹磊峰、 何颖玲、 刘红杰、 洪 伟、 周维民、 赵宗清、 焦春晔、 温贤伦、 张保汉、 王晓方 2010 物理学报 59 8733]
[4] Kneip S, Nagel S R, Martins S F, Mangles S P D, Bellei C, Chekhlov O, Clarke R J, Delerue N, Divall E J, Doucas G, Ertel K, Fiuza F, Fonseca R, Foster P, Hooker C J, Krushelnick K, Mori W B, Streeter M J V, Urner D, Vieira J, Silva L.O, Najmudin Z 2009 Phys. Rev. Lett. 103 035002
[5] Froula D H, Clayton C E, Doppner T, Marsh K A, Barty C P J, Divol L, Fonseca R A, Glenzer S H, Joshi C, Lu W, Martins S F, Michel P, Mori W B, Palastro J P, Pollock B B, Pak A, Ralph J E, Ross J S, Siders C W, Silva L O, Wang T 2009 Phys. Rev. Lett. 103 215006
[6] Jackel S, Burris R, Grun 1995 J. Opt. Lett. 20 1086
[7] Esarey E, Sprangle P, Krall J 1997 IEEE J. Quantum Electron. 33 1879
[8] Spence D J, Burnett P D S, Hooker S M 1999 Opt. Lett. 24 993
[9] Spence D J, Hooker S M 2001 Phys. Rev. E 63 015401(R)
[10] Gonsalves A J, Rowlands-Rees T P, Broks B H P, van der Mullen J J A M, Hooker S M 2007 Phys. Rev. Lett. 98 025002
[11] Lan K, Zhang, Eur Y Q 2002 Phys. J. Ap. 19 103
[12] Lan K, Ernst Fill, Jurgen Meyer-ter-Vehn 2003 Eur. Phys. Lett. 64 454
[13] Xiang Z L, Yu C X 1982 The diagnosis technology of high-temperature plasma (Vol.1)(Shanghai Scientific and Technical Publishers)p83(in Chinese)[项志遴、 余昌旋 编著 1982 高温等离子体诊断技术(上册) (上海科学技术出版社) 第83页]
[14] Ashkenazy J, Kipper R, Caner M 1991 Phys. Rev. A 43 5568
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