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首页> 外文期刊>Optics Letters >Single attosecond pulse generation with intense mid-infrared elliptically polarized laser pulses
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Single attosecond pulse generation with intense mid-infrared elliptically polarized laser pulses

机译：使用强中红外椭圆偏振激光脉冲产生单个阿秒脉冲

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摘要

We have studied theoretically high-harmonic-order and single attosecond pulse generation with ellipticallypolarized laser pulses at wavelengths ranging from the visible to the mid-infrared. Results of ab initio simulations of the time-dependent Schrodinger equation show that the ellipticity dependence of the high-harmonic signal intensifies with increasing wavelength of the driving pulse and saturates in the mid-infrared. The isolation of single attosecond pulses using the polarization gating method in the mid-infrared is due to an effective suppression of side pulses as compared with an operation at Ti:sapphire wavelengths.
机译：我们已经研究了椭圆形激光脉冲在波长从可见光到中红外范围内的高谐波阶和单个阿秒脉冲的产生。随时间变化的薛定inger方程的从头算结果表明，高谐波信号的椭圆度依赖性随着驱动脉冲波长的增加而增强，并在中红外达到饱和。在中红外中使用极化选通方法隔离单个阿秒脉冲是由于与在Ti：蓝宝石波长下进行操作相比，有效抑制了旁脉冲。

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