Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas

Nguyen A.; Kaltenecker K. J.; Delagnes J-C; Zhou B.; Cormier E.; Fedorov N.; Bouillaud R.; Descamps D.; Thiele I; Skupin S.; Jepsen P. U.; Berge L.

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Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas

机译：双色空气等离子体输送的太赫兹脉冲能量的波长缩放

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We address the long-standing problem of anomalous growth observed in the terahertz (THz) energy yield from air plasmas created by two-color laser pulses, as the fundamental wavelength lambda(0) is increased. Using two distinct optical parametric amplifiers (OPAs), we report THz energies scaling like with large exponents 5.6 <= alpha <= 14.3, which departs from the growth in lambda(2)(0) expected from photocurrent theory. By means of comprehensive 3D simulations, we demonstrate that the changes in the laser beam size, pulse duration, and phase-matching conditions in the second-harmonic generation process when tuning the OPA's carrier wavelength can lead to these high scaling powers. The value of the phase angle between the two colors reached at the exit of the doubling crystal turns out to be crucial and even explains non- monotonic behaviors in the measurements. (C) 2019 Optical Society of America

机译：我们解决了从由双色激光脉冲产生的空气等离子体中观察到的太赫兹（THz）能源产量观察到的异常生长的长期问题，因为基本波长λ（0）增加。使用两个不同的光学参数放大器（OPA），我们报告HELEGIES缩放，如大型指数为5.6 <= alpha <= 14.3，它脱离了光电流理论预期的λ（2）（0）的生长。通过综合3D模拟，我们证明了在调谐OPA的载波波长时，激光束尺寸，脉冲尺寸，脉冲持续时间和相位匹配条件的变化可以导致这些高缩放功率。在倍增水晶出口处达到的两种颜色之间的相位角的值变成至关重要，甚至解释了测量中的非单调行为。（c）2019年光学学会

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《Optics Letters》 |2019年第6期|共4页
作者
Nguyen A.; Kaltenecker K. J.; Delagnes J-C; Zhou B.; Cormier E.; Fedorov N.; Bouillaud R.; Descamps D.; Thiele I; Skupin S.; Jepsen P. U.; Berge L.;
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作者单位

CEA DAM DIF F-91297 Arpajon France;

Tech Univ Denmark Dept Photon Engn DTU Foton DK-2800 Lyngby Denmark;

Univ Bordeaux CNRS CEA Ctr Lasers Intenses &

Applicat UMR 5107 F-33405 Talence France;

Tech Univ Denmark Dept Photon Engn DTU Foton DK-2800 Lyngby Denmark;

Univ Bordeaux CNRS CEA Ctr Lasers Intenses &

Applicat UMR 5107 F-33405 Talence France;

Univ Bordeaux CNRS CEA Ctr Lasers Intenses &

Applicat UMR 5107 F-33405 Talence France;

Univ Bordeaux CNRS CEA Ctr Lasers Intenses &

Applicat UMR 5107 F-33405 Talence France;

Univ Bordeaux CNRS CEA Ctr Lasers Intenses &

Applicat UMR 5107 F-33405 Talence France;

Chalmers Univ Technol Dept Phys SE-41296 Gothenburg Sweden;

Univ Lyon Univ Lyon 1 UMR 5306 Inst Lumiere Matiere CNRS F-69622 Villeurbanne France;

Tech Univ Denmark Dept Photon Engn DTU Foton DK-2800 Lyngby Denmark;

CEA DAM DIF F-91297 Arpajon France;

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正文语种 eng
中图分类计量学;光学;
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专利

1. Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas [J] . Nguyen A., Kaltenecker K. J., Delagnes J-C, Optics Letters . 2019,第6期

机译：双色空气等离子体输送的太赫兹脉冲能量的波长缩放
2. The dependence on optical energy of terahertz emission from air plasma induced by two-color femtosecond laser-pulses [J] . Wu Si-Qing, Liu Jin-Song, Wang Sheng-Lie, 中国物理：英文版 . 2013,第010期

机译：双色飞秒激光脉冲引起的空气等离子体中太赫兹发射光的光能依赖性
3. Terahertz emission from two air-plasmas produced by two-color femtosecond laser pulses (Retraction of vol 126, pg 464, 2015) [J] . Du Haiwei, Yang Nan Optik: Zeitschrift fur Licht- und Elektronenoptik: = Journal for Light-and Electronoptic . 2015,第4期

机译：双色飞秒激光脉冲产生的两个空气等离子体的太赫兹发射（第126卷的撤回，第464页，2015年）
4. Plasma sheet and strong terahertz generation with elliptically shaped two-color laser pulses [C] . D. Kuk, Y. J. Yoo, E. Rosenthal, Conference on Lasers and Electro-Optics . 2016

机译：椭圆形双色激光脉冲产生等离子片并产生强大的太赫兹
5. Tailoring Air-Plasmas toward Advanced Terahertz Pulse Remote Generation and Detection [D] . Liu, Kang. 2018

机译：使空气等离子体适应高级太赫兹脉冲远程生成和检测
6. Terahertz radiation driven by two-color laser pulses at near-relativistic intensities: Competition between photoionization and wakefield effects [O] . P. González de Alaiza Martínez, X. Davoine, A. Debayle, -1

机译：接近相对论强度的双色激光脉冲驱动的太赫兹辐射：光电离和尾场效应之间的竞争
7. Intensity modulated terahertz vortex wave generation in air plasma by two-color femtosecond laser pulses [O] . Maksym Ivanov, Illia Thiele, Luc Bergé, 2019

机译：双色飞秒激光脉冲的空气等离子体中的强度调制Terahertz Vortex波产生
8. Scaled-Up Nonequilibrium Air Plasmas Generated by DC and Pulsed Discharges [R] . Machala, Z. 2010

机译：由DC和脉冲放电产生的放大的非平衡空气等离子体

Wavelength scaling of terahertz pulse energies delivered by two-color air plasmas

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