Spatial Characteristics of Thomson Scattering Spectra in Laser and Magnetic Fields
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摘要
Spatial characteristics of Thomson scattering spectra are studied for an electron moving in the circularly polarized laser field in the presence of a strong uniform magnetic field. The results show that the angular distributions of the spectra with respect to the azimuthal and polar angles exhibit different symmetries, respectively, which depend on the fields and electron parameters sensitively and significantly. Moreover, for relatively large parameters such as high laser intensity, high magnetic resonance parameter as well as large initial momentum of electron, the two lobes in spectra tend to the laser-propagating direction so that the radiation can be collimated in the forward direction. Furthermore, an important finding is that by choosing the appropriate fields and initial momentum of electron, the high frequency part of the Thomson scattering spectra can reach the frequency range of soft x-ray,in which a high radiation power per solid angle as ～10~(11) a.u. can be obtained.
Spatial characteristics of Thomson scattering spectra are studied for an electron moving in the circularly polarized laser field in the presence of a strong uniform magnetic field. The results show that the angular distributions of the spectra with respect to the azimuthal and polar angles exhibit different symmetries, respectively, which depend on the fields and electron parameters sensitively and significantly. Moreover, for relatively large parameters such as high laser intensity, high magnetic resonance parameter as well as large initial momentum of electron, the two lobes in spectra tend to the laser-propagating direction so that the radiation can be collimated in the forward direction. Furthermore, an important finding is that by choosing the appropriate fields and initial momentum of electron, the high frequency part of the Thomson scattering spectra can reach the frequency range of soft x-ray,in which a high radiation power per solid angle as ～10~(11) a.u. can be obtained.
Spatial characteristics of Thomson scattering spectra are studied for an electron moving in the circularly polarized laser field in the presence of a strong uniform magnetic field. The results show that the angular distributions of the spectra with respect to the azimuthal and polar angles exhibit different symmetries, respectively, which depend on the fields and electron parameters sensitively and significantly. Moreover, for relatively large parameters such as high laser intensity, high magnetic resonance parameter as well as large initial momentum of electron, the two lobes in spectra tend to the laser-propagating direction so that the radiation can be collimated in the forward direction. Furthermore, an important finding is that by choosing the appropriate fields and initial momentum of electron, the high frequency part of the Thomson scattering spectra can reach the frequency range of soft x-ray,in which a high radiation power per solid angle as ～10~(11) a.u. can be obtained.
引文
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[4] Umstadter D 2001 Phys. Plasmas 8 1774
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[22] Lan P F, Lu P X and Cao W 2007 Plasma. Sci. Technol. 9143
[23] Fu Y J, Jiang C, Lv C, Wan F, Sang H B and Xie B S 2016Phys. Rev. A 94 052102
[24] Jiang C, Xie H Z, Sang H B and Xie B S 2017 Europhys.Lett. 117 44002
[25] Li J, Xie B S, Sang H B, Hong X R, Zhang S and Yu M Y2009 Appl. Phys. Lett. 95 161105
[26] Jackson J D 1975 Classical Electrodynamics(New York:Wiley)
[2] Leemans W P, Nagler B, Gonsalves A J, Tóth C, Nakamura K, Geddes C G R, Easrey C B and Hooker S M 2006 Nat.Phys. 2 696
[3] Bartels R, Backus S, Zeek E, Misoguti L, Vdovin G, Christov I P, Murnane M M and Kapteyn H C 2000 Nature 406164
[4] Umstadter D 2001 Phys. Plasmas 8 1774
[5] Emma P, Akre R, Arthur J, Bionta R, Bostedt C, Bozek J, Brachmann A, Bucksbaum P, Coffee R, Decker F J et al2010 Nat. Photon. 4 641
[6] Milburn R H 1963 Phys. Rev. Lett. 10 75
[7] Kaplan A E and Shkolnikov P L 2002 Phys. Rev. Lett. 88074801
[8] Lan P F, Lu P X, Cao W and Wang X L 2005 Phys. Rev.E 72 066501
[9] Schwoerer H, Liesfeld B, Schlenvoigt H P, Amthor K U and Sauerbrey R 2006 Phys. Rev. Lett. 96 014802
[10] Glenzer S H and Redmer R 2009 Rev. Mod. Phys. 81 1625
[11] Chen S, Powers N D, Ghebregziabher I, Maharjan C M, Liu C, Golovin G, Banerjee S, Zhang J, Cunningham N, Moorti A, Clarke S, Pozzi S and Umstadter D P 2013 Phys. Rev.Lett. 110 155003
[12] Sarri G, Corvan D J, Schumaker W, Cole J M, Piazza A D,Ahmed H, Harvey C, Keitel C H, Krushelnick K, Mangles S P D, Najmudin Z, Symes D, Thomas A G R, Yeung M,Zhao Z and Zepf M 2014 Phys. Rev. Lett. 113 224801
[13] Yan W C, Fruhling C, Golovin G, Haden D, Luo J, Zhang P, Zhao B Z, Zhang J, Liu C, Chen M, Chen S Y, Banerjee S and Umstadter D 2017 Nat. Photon. 11 514
[14] Salamin Y I and Faisal F H M 1998 Phys. Rev. A 58 3221
[15] Salamin Y I 1999 Phys. Rev. A 60 3276
[16] Faisal F H M and Salamin Y I 1999 Phys. Rev. A 60 2505
[17] Salamin Y I and Faisal F H M 2000 Phys. Rev. A 61 043801
[18] Salamin Y I, Faisal F H M and Keitel C H 2000 Phys. Rev.A 62 053809
[19] He F, Lau Y Y, Umstadter D P and Strickler T 2002 Phys.Plasmas 9 4325
[20] Lau Y Y, He F, Umstadter D P and Kowalczyk R 2003Phys. Plasmas 10 2155
[21] He F, Lau Y Y, Umstadter D P and Kowalczyk R 2003Phys. Rev. Lett. 90 055002
[22] Lan P F, Lu P X and Cao W 2007 Plasma. Sci. Technol. 9143
[23] Fu Y J, Jiang C, Lv C, Wan F, Sang H B and Xie B S 2016Phys. Rev. A 94 052102
[24] Jiang C, Xie H Z, Sang H B and Xie B S 2017 Europhys.Lett. 117 44002
[25] Li J, Xie B S, Sang H B, Hong X R, Zhang S and Yu M Y2009 Appl. Phys. Lett. 95 161105
[26] Jackson J D 1975 Classical Electrodynamics(New York:Wiley)