激光与光电子学进展, 2019, 56 (12): 120202, 网络出版: 2019-06-13
氢原子在少周期强激光场中阈上电离的干涉效应 
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Interference Effect in Above-Threshold Ionization of Hydrogen Atom by Intense Few-Cycle Laser Fields
图 & 表
图 1. 当I=3.0×1014 W·cm-2,λ=800 nm,CEP=0, Γ=5 fs时激光场的电场及矢势
Fig. 1. Electric field and vector potential of laser field when I=3.0×1014 W·cm-2,λ=800 nm, CEP=0, and Γ=5 fs
图 2. SFA方法得到的氢原子二维动量谱。 (a) A窗和B窗;(b) A窗和C窗;(c) B窗和C窗;(d) A窗、B窗和C窗
Fig. 2. 2D momentum spectra of H atom with SFA method. (a) A window and C window; (b) A window and B window; (c) B window and C window; (d) A window, B window, and C window
图 3. CVA方法得到的氢原子二维动量谱。 (a) A窗和B窗;(b) A窗和C窗;(c) B窗和C窗;(d) A窗、B窗和C窗
Fig. 3. 2D momentum spectra of H atom with CVA method. (a) A window and C window; (b) A window and B window; (c) B window and C window; (d) A window, B window, and C window
图 4. CVA方法得到的光电子能量谱。(a)周期内干涉;(b)周期间干涉;(c)周期内干涉和周期间干涉共同作用
Fig. 4. Photoelectron energy spectra with CVA method. (a) Intracycle interference; (b) intercycle interference; (c) combined action of intercycle and intracycle interferences
图 5. H原子二维光电子动量谱。(a) SFA;(b) CVA;(c) TDSE
Fig. 5. 2D photoelectron momentum spectra of H atom. (a) SFA; (b) CVA; (c) TDSE
图 6. H原子的光电子能量谱。 (a) SFA;(b) CVA;(c) TDSE
Fig. 6. Photoelectron energy spectra of H atom. (a) SFA; (b) CVA; (c) TDSE
图 7. 当I=3.0×1014 W·cm-2,λ=800 nm,CEP=0时基于TDSE的H原子二维光电子动量谱。(a) 2T; (b) 4T;(c) 8T
Fig. 7. 2D photoelectron momentum spectra of H atom based on TDSE when I=3.0×1014 W·cm-2, λ=800 nm, and CEP=0. (a) 2T; (b) 4T; (c) 8T
郭志坚, 孙乾. 氢原子在少周期强激光场中阈上电离的干涉效应[J]. 激光与光电子学进展, 2019, 56(12): 120202. Zhijian Guo, Qian Sun. Interference Effect in Above-Threshold Ionization of Hydrogen Atom by Intense Few-Cycle Laser Fields[J]. Laser & Optoelectronics Progress, 2019, 56(12): 120202.
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