Wake dynamics of air filaments generated by high-energy picosecond laser pulses at 1 kHz repetition rate

A Higginson, Y Wang, H Chi, A Goffin, I Larkin… - Optics Letters, 2021 - opg.optica.org
We investigated the filamentation in air of 7 ps laser pulses of up to 200 mJ energy from a
1.03 μm-wavelength Yb: YAG laser at repetition rates up to f= 1kHz. Interferograms of the …

Generation of high-temporal-quality sub-two-cycle pulses by self-cleaning of spatiotemporal solitons in air-plasma channels

L Xu, T Xi - Physical Review A, 2024 - APS
The temporal sidelobes of few-cycle pulses seriously restrict their applications in ultrafast
science. We propose a unique mechanism that enables the generation of sub-two-cycle …

Filament-induced breakdown spectroscopy signal enhancement using optical wavefront control

LA Finney, J Lin, PJ Skrodzki, M Burger, J Nees… - Optics …, 2021 - Elsevier
Filament-induced breakdown spectroscopy (FIBS) is an analytical method that holds
significant promise for remote sensing. In FIBS, it is desirable to maximize the intensity and …

Filamentation‐Induced Volume Plasma Grating: Dynamics, Possibilities, and Advantages

M Hu, S Yuan, J Nan, Y Cao, J Chen… - Laser & Photonics …, 2023 - Wiley Online Library
Stable propagation of laser filamentation arrays paves new ways for cross‐scale
manufacturing. Although a single filament or multiple filaments can be used for laser …

Optical emission from ultrafast laser filament-produced air plasmas in the multiple filament regime

LA Finney, PJ Skrodzki, M Burger, X Xiao, J Nees… - Optics …, 2018 - opg.optica.org
We perform optical emission spectroscopy of ultrafast laser filament-produced air plasmas in
the multiple filament regime at driving wavelengths of 400 nm and 800 nm. The …

Steady-state stimulated Raman generation and filamentation using complex vector vortex beams

HJ Meyer, S Mamani, RR Alfano - Applied Optics, 2020 - opg.optica.org
Stimulated Raman scattering and laser filamentation produced using nanosecond pulsed
complex vector vortex beams (CVVB) are investigated in a 20 cm long methanol cell. The …

[HTML][HTML] Boosting radio frequency radiation with collisional processes in picosecond laser filamentation

E Thornton, T Garrett, J Elle - Physics of Plasmas, 2024 - pubs.aip.org
When focused in air, ultrashort pulse lasers generate a plasma that produces
ultrabroadband radio frequency (RF) radiation via both ponderomotive and plasma wake …

Multi-octave-spanning supercontinuum generation through high-energy laser filaments in YAG and ZnSe pumped by a 2.4 μm femtosecond Cr: ZnSe laser

SH Nam, GC Nagar, D Dempsey, O Novák… - High Power Laser …, 2021 - cambridge.org
We present experimental and numerical investigations of high-energy mid-infrared
filamentation with multi-octave-spanning supercontinuum generation (SCG), pumped by a …

Superfilamentation in air reconstructed by transversal interferometry

A Murzanev, S Bodrov, Z Samsonova, D Kartashov… - Physical Review A, 2019 - APS
Multiple filamentation of terawatt femtosecond Ti: sapphire laser beams in air is
experimentally investigated for intermediate external focusing conditions with the numerical …

Multi-filament Inhibition and Resulting Solitary Wave Formation in Condensed Matter

RI Grynko, DL Weerawarne, X Gao, H Liang… - Frontiers in …, 2016 - opg.optica.org
Multi-filament Inhibition and Resulting Solitary Wave Formation in Condensed Matter Page 1
FF2C.1.pdf Frontiers in Optics/Laser Science 2016 © OSA 2016 Multi-filament Inhibition and …