中国激光, 2019, 46 (10): 1001003, 网络出版: 2019-10-25
共振增强单色高次谐波产生 
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Generation of Resonantly Enhanced Monochromatic High-Order Harmonics
图 & 表
图 1. 数值求解含时薛定谔方程得到的高次谐波辐射。(a)不同光强下的高次谐波辐射;(b)光子能量16 eV附近的高次谐波辐射;(c)共振增强高次谐波的强度与激光光强的关系
Fig. 1. High-order harmonic radiation numerically solved from time-dependent Schr?dinger equation. (a) High-order harmonic radiations at different laser intensities; (b) high-order harmonic radiations near photo energy of 16 eV; (c) strength of resonance-enhanced high-order harmonic radiation as a function of laser intensity
图 2. 时间-频率分析。(a)对图1(b)进行小波变换得到的时间-频率信号谱图;(b)图2(a)中低光子能量部分局部放大图;(c)对图1(b)中低光强驱动产生的含时偶极矩进行短时傅里叶变换得到的时间-频率信号谱图
Fig. 2. Time-frequency analysis. (a) Time-frequency signal spectrum obtained by wavelet transform of signals in Fig.1 (b); (b) partial amplification at low photon energies range of Fig. 2(a); (c) signal spectrum obtained by short-time Fourier transform of time-dependent dipole moments, which are generated by weak laser intensity in Fig. 1(b)
汪丽, 薛金星, 曾志男, 李儒新, 徐至展. 共振增强单色高次谐波产生[J]. 中国激光, 2019, 46(10): 1001003. Li Wang, Jinxing Xue, Zhinan Zeng, Ruxin Li, Zhizhan Xu. Generation of Resonantly Enhanced Monochromatic High-Order Harmonics[J]. Chinese Journal of Lasers, 2019, 46(10): 1001003.
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