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It is proposed that with a mini-cone target, an enormous number of high-energy collimated electrons can be produced, which may be used for fast ignition research. The effect of different laser and cone target diameters on high-energy electrons are studied with two-dimensional particle-in-cell simulations. When the open angle of the mini-cone is 10 degree, the number of generated hot electrons is relatively larger. With the increase of the open angle, both the energy and number of hot electrons decrease. When preplasma is added to the cone surface, the amount of hot electrons increases, while the peak energy of the hot electrons decreases. With the increase of the laser pulse duration, the number of high-energy electrons increases linearly.
[1] Sentoku Y, Mima K,Sheng Z M, Kaw P, Nishihara K, Nishikawa K 2002 Phys. Rev. E 65 046408
[2] Mangles S P D, Murphy C D, Najmudin Z, Thomas A G R, Collier J L, Dangor A E, Divall E J, Foster P S, Gallacher J G, Hooker C J,Jaroszynski D A,Langley A J, Mori W B, Norreys P A, Tsung F S, Viskup R, Walton B R, Krushelnick K 2004 Nature 431 535
[3] Kodama R, Shiraga H, Shigemori K, Toyama Y, Fujioka S, Azechi H, Fujita H,Habara H,Hall T, Izawa Y, Jitsuno T, Kitagawa Y, Krushelnick K M, Lancaster K L, Mima K, Nagai K, Nakai M, Nishimura H, Norimatsu T, Norreys P A, Sakabe S, Tanaka K A, Youssef A, Zepf M, Yamanaka T 2002 Nature 418 933
[4] Yin Y, Chang W W, Ma Y Y, Yue Z W, Cao L H 2002 Chin. Phys. Lett. 19 368
[5] Cai H B, Mima K, Zhou W M, Jozaki T, Nagatomo H, Sunahara A, Mason R J 2009 Phys. Rev. Lett. 102 245001
[6] Kruer W L 1985 Phys. Fluids 28 430
[7] Brunel F 1987 Phys.Rev.Lett 59 52
[8] Estabrook K G 1975 Phys. Rev. A 11 679
[9] Pukhov A, Sheng Z M, Mayer-ter-Vehn J 1999 Phys. Plasmas 6 2847
[10] Liu Z J, Zheng C Y, Cao L H, Li B, Zhu S P 2006 Acta Phys. Sin. 55 0304 (in Chinese) [刘占军, 郑春阳, 曹莉华, 李斌, 朱少平 2006 物理学报 55 0304]
[11] Sentoku Y, Mima K, Ruhl H, Toyama Y, Kodama R, Cowan T E 2004 Phys. Plasmas 11 3083
[12] Liu F, Liu X X, Liu B C, Ding W J, Du F 2012 Phys. Plasmas 19 013103
[13] Li Y T, Yuan X H, Xu M H, Zheng Z Y, Sheng Z M, Chen M, Ma Y Y, Liang W X, Yu Q Z, Zhang Y, Liu F, Wang Z H, Wei Z Y, Zhao W, Jin Z, Zhang J 2006 Phys. Rev. Lett. 96 165003
[14] Chen M, Sheng Z M, Zheng J, Zhang J 2006 Acta Phys.Sin. 55 2381 (in Chinese) [陈民, 盛政明, 郑君, 张杰 2006 物理学报 55 2381]
[15] Zheng J, Sheng Z M, Liu J L, Zhou W M, Xu H, Zhang J 2011 Phys. Plasmas 13 113103
[16] Yang X Q, Lei A L, Yu W, Tanaka K 2008 Chin. Phys. Lett. 25 2151
[17] Ma Y Y, Sheng Z M, Li Y T, Chang W W, Yuan X H, Chen M, Wu H C,Zheng J, Zhang J 2006 Phys. Plasmas 13 110702
[18] Liu C S, Tripathi V K 2005 Phys. Plasmas 12 043103
[19] Dong X G, Sheng Z M, Chen M, Zhang J 2008 Acta Phys. Sin. 57 7423 (in Chinese) [董晓刚, 盛政明, 陈民, 张杰 2008 物理学报 57 7423]
[20] Chen M, Sheng Z M, Zheng J, Ma Y Y, Bari M A, Li Y T, Zhang J 2006 Opt. Express 14 3093
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[1] Sentoku Y, Mima K,Sheng Z M, Kaw P, Nishihara K, Nishikawa K 2002 Phys. Rev. E 65 046408
[2] Mangles S P D, Murphy C D, Najmudin Z, Thomas A G R, Collier J L, Dangor A E, Divall E J, Foster P S, Gallacher J G, Hooker C J,Jaroszynski D A,Langley A J, Mori W B, Norreys P A, Tsung F S, Viskup R, Walton B R, Krushelnick K 2004 Nature 431 535
[3] Kodama R, Shiraga H, Shigemori K, Toyama Y, Fujioka S, Azechi H, Fujita H,Habara H,Hall T, Izawa Y, Jitsuno T, Kitagawa Y, Krushelnick K M, Lancaster K L, Mima K, Nagai K, Nakai M, Nishimura H, Norimatsu T, Norreys P A, Sakabe S, Tanaka K A, Youssef A, Zepf M, Yamanaka T 2002 Nature 418 933
[4] Yin Y, Chang W W, Ma Y Y, Yue Z W, Cao L H 2002 Chin. Phys. Lett. 19 368
[5] Cai H B, Mima K, Zhou W M, Jozaki T, Nagatomo H, Sunahara A, Mason R J 2009 Phys. Rev. Lett. 102 245001
[6] Kruer W L 1985 Phys. Fluids 28 430
[7] Brunel F 1987 Phys.Rev.Lett 59 52
[8] Estabrook K G 1975 Phys. Rev. A 11 679
[9] Pukhov A, Sheng Z M, Mayer-ter-Vehn J 1999 Phys. Plasmas 6 2847
[10] Liu Z J, Zheng C Y, Cao L H, Li B, Zhu S P 2006 Acta Phys. Sin. 55 0304 (in Chinese) [刘占军, 郑春阳, 曹莉华, 李斌, 朱少平 2006 物理学报 55 0304]
[11] Sentoku Y, Mima K, Ruhl H, Toyama Y, Kodama R, Cowan T E 2004 Phys. Plasmas 11 3083
[12] Liu F, Liu X X, Liu B C, Ding W J, Du F 2012 Phys. Plasmas 19 013103
[13] Li Y T, Yuan X H, Xu M H, Zheng Z Y, Sheng Z M, Chen M, Ma Y Y, Liang W X, Yu Q Z, Zhang Y, Liu F, Wang Z H, Wei Z Y, Zhao W, Jin Z, Zhang J 2006 Phys. Rev. Lett. 96 165003
[14] Chen M, Sheng Z M, Zheng J, Zhang J 2006 Acta Phys.Sin. 55 2381 (in Chinese) [陈民, 盛政明, 郑君, 张杰 2006 物理学报 55 2381]
[15] Zheng J, Sheng Z M, Liu J L, Zhou W M, Xu H, Zhang J 2011 Phys. Plasmas 13 113103
[16] Yang X Q, Lei A L, Yu W, Tanaka K 2008 Chin. Phys. Lett. 25 2151
[17] Ma Y Y, Sheng Z M, Li Y T, Chang W W, Yuan X H, Chen M, Wu H C,Zheng J, Zhang J 2006 Phys. Plasmas 13 110702
[18] Liu C S, Tripathi V K 2005 Phys. Plasmas 12 043103
[19] Dong X G, Sheng Z M, Chen M, Zhang J 2008 Acta Phys. Sin. 57 7423 (in Chinese) [董晓刚, 盛政明, 陈民, 张杰 2008 物理学报 57 7423]
[20] Chen M, Sheng Z M, Zheng J, Ma Y Y, Bari M A, Li Y T, Zhang J 2006 Opt. Express 14 3093
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