Tunable mid- and far-infrared pulses generation due to gas irradiated by a chirped two-color laser field

被引：2

作者：

Silaev, Alexander A. ^{[1
,2
]}

Romanov, Alexander A. ^{[1
,2
]}

Vvedenskii, Nikolay V. ^{[1
,2
]}

机构：

[1] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod 603950, Russia

[2] Lobachevsky State Univ Nizhny Novgorod, Nizhnii Novgorod 603950, Russia

来源：

FOURTH INTERNATIONAL CONFERENCE ON TERAHERTZ AND MICROWAVE RADIATION: GENERATION, DETECTION, AND APPLICATIONS | 2020年 / 11582卷

基金：

俄罗斯基础研究基金会; 俄罗斯科学基金会;

关键词：

gas; ultrashort laser pulse; tunable mid- and far-IR radiation; spectrum; waveform; time-dependent Schrodinger equation; MIDINFRARED PULSES; IONIZATION;

D O I：

10.1117/12.2579723

中图分类号：

TH742 [显微镜];

学科分类号：

摘要：

The paper is devoted to further investigation of the recently proposed method for generating tunable and phase-controllable mid- and far-infrared pulses in gas irradiated by an intense two-color laser field composed of the chirped fundamental and its second-harmonic pulses with the group time delay. We present numerical calculations of the radiating low-frequency current density in atomic hydrogen in a wide range of the time delay and intensity of the fundamental pulse and analyze the intensity-dependence of the amplitude, duration and the tuning range of the generated pulses.

引用

页数：6

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