光学学报, 2018, 38 (12): 1219001, 网络出版: 2019-05-10 复制并引用该论文  本文已被引 3 次  被引通知

图 & 表

图 1. 偏振控制脉冲总电场、控制场及驱动场随时间变化三维图。(a) θ=arccot 2; (b) θ=arccot 1; (c) θ=arccot(1/2)

Fig. 1. Three dimensional diagrams for total electric field, gating field and driving field in polarization gating pulse as a function of time. (a) θ=arccot 2; (b) θ=arccot 1; (c) θ=arccot(1/2)

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图 2. 驱动脉冲电场、椭偏率和原子电离几率随时间变化曲线。(a)~(c)整个脉冲期间;(d)~(f)偏振门内

Fig. 2. Electric field of driving pulse, ellipticity and atomic ionization probability as functions of time. (a)-(c) Within the whole pulse; (d)-(f) within polarization gate

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图 3. 不同偏振角时的高次谐波发射功率谱

Fig. 3. High harmonic emission power spectra at different polarization angles

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图 4. 驱动脉冲电场、椭偏率和原子电离几率随时间变化曲线。(a)~(c)整个脉冲期间;(d)~(f)偏振门内

Fig. 4. Electric field of driving pulse, ellipticity and atomic ionization probability as functions of time. (a)-(c) Within the whole pulse; (d)-(f) within polarization gate

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图 5. 不同偏振角时的高次谐波发射功率谱

Fig. 5. High harmonic emission power spectra at different polarization angles

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图 6. (a)不同偏振角时的高次谐波发射功率谱;(b)孤立阿秒脉冲时域图

Fig. 6. (a) High harmonic spectra at different polarization angles; (b) time-domain plots of isolated attosecond pulses

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图 7. 偏振门内的驱动脉冲电场随时间的变化曲线图

Fig. 7. Electric field of driving pulse within polarization gate as a function of time

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表 1原子预电离、主电离及高次谐波谱截止位置的阶数随两束脉冲强度比的变化

Table1. Atomic pre-ionization, primary ionization and harmonic order at cutoff position of high harmonic spectrum as functions of intensity ratio of two-beam pulses

Polarization angle /(°) Strength ratio Atomic pre-ionization probability /% Primary ionization probability /% Harmonic order at cutoff position 10 0.07 0.1 1.1 303 15 0.18 0.2 1.8 268 20 0.33 0.4 2.4 246 25 0.48 0.8 3.1 229 30 0.65 1.5 3.7 216 35 0.79 2.6 4.4 205 40 0.92 4.4 5.1 195

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宋浩, 苏宁, 陈高. 不对称偏振控制方案中两束脉冲强度比改变对原子电离及高次谐波产生的影响[J]. 光学学报, 2018, 38(12): 1219001. Hao Song, Ning Su, Gao Chen. Influence of Intensity Ratio of Two-Beam Pulses on Atomic Ionization and High Harmonic Generation in Non-Symmetric Polarization Control Scheme[J]. Acta Optica Sinica, 2018, 38(12): 1219001.