Toward compact and ultra-intense laser-based soft x-ray lasers

Sebban S.; Depresseux A.; Oliva E.; Gautier J.; Tissandier F.; Nejdl J.; Kozlova M.; Maynard G.; Goddet J. P.; Tafzi A.; Lifschitz A.; Kim H. T.; Jacquemot S.; Rousseau P.; Zeitoun P.; Rousse A.

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Toward compact and ultra-intense laser-based soft x-ray lasers

机译：朝向紧凑型和超强度激光的柔软X射线激光器

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We report here recent work on an optical field ionized (OFI), high-order harmonic-seeded EUV laser. The amplifying medium is a plasma of nickel-like krypton obtained by OFI when focusing a 1 J, 30 fs, circularly-polarized, infrared pulse into a krypton-filled gas cell or krypton gas jet. The lasing transition is the 3d(9)4d (J = 0) -> 3d(9)4p (J = 1) transition of Ni-like krypton ions at 32.8 nm and is pumped by collisions with hot electrons. The gain dynamics was probed by seeding the amplifier with a high-order harmonic pulse at different delays. The gain duration monotonically decreased from 7 ps to an unprecedented shortness of 450 fs full width at half-maximum as the amplification peak rose from 150 to 1200 with an increase of the plasma density from 3 x 10(18) to 1.2 x 10(20) cm(-3). The integrated energy of the EUV laser pulse was also measured, and found to be around 2 mu J. It is to be noted that in the ASE mode, longer amplifiers were achieved (up to 2 cm), yielding EUV outputs up to 14 mu J.

机译：我们在这里报告了最近在光田电离（OFI），高阶谐波种子EUV激光器上的工作。放大介质是当将1 J，30 FS，圆极化的红外脉冲聚焦到氪的气体电池或氪气射流时由OFI获得的镍样Krypton的等离子体。激光转换是3D（9）4d（j = 0） - > 3d（9）4p（j = 1）在32.8nm处的Ni样氪离子的转变，并通过与热电子的碰撞泵浦。通过在不同延迟的高阶谐波脉冲中播种放大器来探测增益动态。由于扩增峰值从150至1200升至1200，因此增长持续时间从7gs单调下降到450 fs全宽的450 fs全宽度，随着3×10（18）到1.2 x 10的等离子体密度增加到1200（20 ）cm（-3）。还测量了EUV激光脉冲的集成能量，发现是在2 mu J约约。应注意，在ASE模式下，实现了更长的放大器（最多2厘米），产生高达14亩的EUV输出j。

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来源
《Plasma physics and controlled fusion》 |2018年第1期|共9页
作者
Sebban S.; Depresseux A.; Oliva E.; Gautier J.; Tissandier F.; Nejdl J.; Kozlova M.; Maynard G.; Goddet J. P.; Tafzi A.; Lifschitz A.; Kim H. T.; Jacquemot S.; Rousseau P.; Zeitoun P.; Rousse A.;
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作者单位

Univ Paris Saclay Ecole Polytech CNRS ENSTA LOA F-91762 Palaiseau France;

Univ Paris Saclay Ecole Polytech CNRS ENSTA LOA F-91762 Palaiseau France;

Univ Paris Sud 11 CNRS Lab Phys Gaz &

Plasmas F-91405 Orsay France;

Univ Paris Saclay Ecole Polytech CNRS ENSTA LOA F-91762 Palaiseau France;

Univ Paris Saclay Ecole Polytech CNRS ENSTA LOA F-91762 Palaiseau France;

ASCR Inst Phys ELI Beamlines Project Slovance 2 Prague 18221 8 Czech Republic;

ASCR Inst Phys ELI Beamlines Project Slovance 2 Prague 18221 8 Czech Republic;

Univ Paris Sud 11 CNRS Lab Phys Gaz &

Plasmas F-91405 Orsay France;

Univ Paris Saclay Ecole Polytech CNRS ENSTA LOA F-91762 Palaiseau France;

Univ Paris Saclay Ecole Polytech CNRS ENSTA LOA F-91762 Palaiseau France;

Univ Paris Saclay Ecole Polytech CNRS ENSTA LOA F-91762 Palaiseau France;

GIST Adv Photon Res Inst Gwangju 500712 South Korea;

Ecole Polytech Lab Utilisat Lasers Intenses F-91128 Palaiseau France;

Univ Paris Saclay Ecole Polytech CNRS ENSTA LOA F-91762 Palaiseau France;

Univ Paris Saclay Ecole Polytech CNRS ENSTA LOA F-91762 Palaiseau France;

Univ Paris Saclay Ecole Polytech CNRS ENSTA LOA F-91762 Palaiseau France;

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原文格式 PDF
正文语种 eng
中图分类等离子体物理学;
关键词
XUV lasers; ultrafast laser; coherent radiation; optical field ionized plasmas;

机译：XUV激光器;超快激光;相干辐射;光场电离等离子体;

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专利

1. Toward compact and ultra-intense laser-based soft x-ray lasers [J] . Sebban S., Depresseux A., Oliva E., Plasma physics and controlled fusion . 2018,第1期

机译：朝向紧凑型和超强度激光的柔软X射线激光器
2. Extremely compact soft X-ray lasers based on capillary discharges [J] . J.J. Rocca, J. Filevich, E.C. Hammarsten, Nuclear Instruments & Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment . 2003,第1a2期

机译：基于毛细管放电的超紧凑型软X射线激光器
3. Application of extremely compact capillary discharge soft x-ray lasers to dense plasma diagnostics [J] . Rocca JJ., Hammarsten EC., Jankowska E., Physics of plasmas . 2003,第5aPta2期

机译：超紧凑型毛细管放电软X射线激光器在密集等离子体诊断中的应用
4. Toward compact and ultra-intense laser based soft x-ray lasers [C] . S. Sebban, A. Depresseux, E. Oliva, Conference on Lasers and Electro-Optics . 2017

机译：迈向基于紧凑和超强激光的软X射线激光器
5. Development of very compact soft X-ray lasers. [D] . Korobkin, Dmitriy Vladlenovich. 1999

机译：开发非常紧凑的软X射线激光器。
6. Optical coherence tomography (OCT) with 2 nm axial resolution using a compact laser plasma soft X-ray source [O] . Przemysław Wachulak, Andrzej Bartnik, Henryk Fiedorowicz -1

机译：使用紧凑型激光等离子体软X射线源的2 axialnm轴向分辨率的光学相干断层扫描（OCT）
7. Interferometric studies of laser-created plasmas using compact soft x-ray lasers [O] . Jorge Filevich, Jorge J. Rocca, Eric C. Hammarsten, 2003

机译：具有紧凑型软X射线激光器的激光产生等离子体的干涉性研究

Toward compact and ultra-intense laser-based soft x-ray lasers

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