Ultrashort filaments of light in weakly ionized, optically transparent media

L Bergé, S Skupin, R Nuter, J Kasparian… - Reports on progress in …, 2007 - iopscience.iop.org
Modern laser sources nowadays deliver ultrashort light pulses reaching few cycles in
duration and peak powers exceeding several terawatt (TW). When such pulses propagate …

[PDF][PDF] 面向遥感应用的飞秒激光脉冲超长距离传输的研究进展

冯志芳, 刘勋, 郝婷, 刘丽娜, 李维… - Chinese Journal of …, 2023 - researching.cn
摘要强飞秒激光在空气中传输时, 其传输距离会远远超越衍射极限, 产生高强度光丝和低密度
等离子体, 并伴随超连续白光的辐射, 这为远距离遥感探测大气污染物提供了一种有效的技术 …

Tightly focused femtosecond laser pulse in air: from filamentation to breakdown

XL Liu, X Lu, X Liu, TT Xi, F Liu, JL Ma, J Zhang - Optics express, 2010 - opg.optica.org
The propagation of tightly focused femtosecond laser pulse with numerical aperture of 0.12
in air is investigated experimentally. The formation and evolution of the filament bunch are …

Focal dynamics of multiple filaments: Microscopic imaging and reconstruction

PP Kiran, S Bagchi, SR Krishnan, CL Arnold… - Physical Review A …, 2010 - APS
We observe the complete dynamics of the propagation of very intense, femtosecond laser
pulses in air under tight focusing conditions via direct imaging of the entire interaction zone …

Spectroscopic analysis of femtosecond laser plasma filament in air

J Bernhardt, W Liu, F Théberge, HL Xu, JF Daigle… - Optics …, 2008 - Elsevier
We report a spectroscopic analysis of a filament generated by a femtosecond laser pulse in
air. In the filament spectra, the characteristic Stark broadened atomic oxygen triplet centered …

Femtosecond filament-laser ablation molecular isotopic spectrometry

H Hou, GCY Chan, X Mao, R Zheng, V Zorba… - … Acta Part B: Atomic …, 2015 - Elsevier
A new remote sensing technology for real-time isotopic analysis is introduced: Femtosecond
Filament-Induced Laser Ablation Molecular Isotopic Spectrometry (F 2-LAMIS). The …

Controlled interactions of femtosecond light filaments in air

B Shim, SE Schrauth, CJ Hensley, LT Vuong, P Hui… - Physical Review A …, 2010 - APS
We experimentally demonstrate coherent control of two light filaments in air generated by
ultrafast laser pulses, as proposed by Xi [Phys. Rev. Lett. 96, 025003 (2006)] PRLTAO 0031 …

Optimization of multiple filamentation of femtosecond laser pulses in air using a pinhole

ZQ Hao, J Zhang, TT Xi, XH Yuan, ZY Zheng, X Lu… - Optics …, 2007 - opg.optica.org
The robustness and prolongation of multiple filamentation (MF) for femtosecond laser
propagation in air are investigated experimentally and numerically. It is shown that the …

Role of coherent resonant nonlinear processes in the ultrashort KrF laser pulse propagation and filamentation in air

IV Smetanin, AO Levchenko, AV Shutov… - Nuclear Instruments and …, 2016 - Elsevier
Recent experiments on multiple filamentation of sub-picosecond terawatt-level KrF laser
pulse in air and multi-photon ionization of air revealed an extremely low electron density in …

Widening of Long-range femtosecond laser filaments in turbulent air

Y Ma, X Lu, T Xi, Q Gong, J Zhang - Optics express, 2008 - opg.optica.org
The influence of air turbulence on the long-range filamentation of femtosecond laser pulses
has been numerically investigated. Simulations are performed for different parameters of air …