Generation of a carrier-envelope-phase-stable femtosecond pulse at 10 μm by direct down-conversion from a Ti:sapphire laser pulse

被引：16

作者：

Morimoto, Takeshi ^{[1
]}

Sono, Naoki ^{[1
]}

Miyamoto, Tatsuya ^{[1
,2
]}

Kida, Noriaki ^{[1
,2
]}

Okamoto, Hiroshi ^{[1
,2
]}

机构：

[1] Univ Tokyo, Dept Adv Mat Sci, Kashiwa, Chiba 2778561, Japan

[2] Natl Inst Adv Ind Sci & Technol, AIST UTokyo Adv Operandomeasurement Technol Open, Kashiwa, Chiba 2778568, Japan

来源：

APPLIED PHYSICS EXPRESS | 2017年 / 10卷 / 12期

基金：

日本科学技术振兴机构; 日本学术振兴会;

关键词：

OPTICAL PARAMETRIC AMPLIFICATION; MIDINFRARED PULSES; MID-IR; CRYSTALS; FILAMENTATION; COMPRESSION; AMPLIFIER;

D O I：

10.7567/APEX.10.122701

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the generation of a carrier-envelope-phase-stable femtosecond pulse at 10 mu m with 800 nJ by the down-conversion of a 25-fs-long 800 nm pulse with 1.2 mJ obtained from a standard Ti:sapphire regenerative amplifier. We discuss a simple optical setup for the spectral broadening of the 800 nm pulse by filamentation in air and the intrapulse difference frequency generation in a wide-bandgap nonlinear optical crystal, LiGaS2. From the measurement of the electric-field waveform of the generated mid-infrared pulse by electrooptic sampling, the maximum electric-field amplitude is estimated to be approximately 11MV/cm at a beam diameter of 70 mu m. (C) 2017 The Japan Society of Applied Physics

引用

页数：4

共 14 条

[1] Femtosecond laser pulse distortion in Ti:sapphire multipass amplifier by atomic phase shifts
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[2] 49 W carrier-envelope-phase-stable few-cycle 2.1 μm OPCPA at 10 kHz
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[3] Stabilizing the carrier-envelope phase of an amplified Ti:sapphire laser pulse to a noise level of sub-100 mrad
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[4] Frequency down-conversion of a chirped Ti:sapphire laser pulse with BaWO4 Raman shifter and second-order nonlinear crystal
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Koribut, A., V
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[5] Design of efficient single-stage chirped pulse difference frequency generation at 7 μm, driven by a dual wavelength Ti:sapphire laser
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[6] Carrier-envelope phase stable, 5.4 μJ, broadband, mid-infrared pulse generation from a 1-ps, Yb:YAG thin-disk laser
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[7] Frequency conversion of a chirped Ti:sapphire laser pulse to 11.4 μm wavelength with SrMoO4 Raman shifter and LiGaS2 DFG crystal
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[8] Frequency conversion of femtosecond Ti:Sapphire laser pulse into 5-11 μ wavelength range with ZnGeP2, AgGaS2 and LiGaS2 crystals
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[9] Broadband difference frequency mixing between visible and near-infrared pulses for few-cycle pulse generation with stable carrier-envelope phase
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[10] Generation of high-contrast, 30 fs, 1.5 PW laser pulses from chirped-pulse amplification Ti:sapphire laser
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