Laser ellipticity-dependent supercontinuum generation by femtosecond laser filamentation in air

N Chen, TJ Wang, Z Zhu, H Guo, Y Liu, F Yin, H Sun… - Optics Letters, 2020 - opg.optica.org
We experimentally investigate the laser polarization effect on the supercontinuum (SC)
generation through femtosecond laser filamentation in air. By tuning filamenting laser …

Filament-induced visible-to-mid-IR supercontinuum in a ZnSe crystal: Towards multi-octave supercontinuum absorption spectroscopy

O Mouawad, P Béjot, F Billard, P Mathey, B Kibler… - Optical Materials, 2016 - Elsevier
We report on the generation of multiple-octave supercontinuum laser source spanning from
0.5 μm to 11 μm induced by multi-filamentation in a ZnSe crystal. The generated …

Fourier transform spectrometry with a near-infrared supercontinuum source

CA Michaels, T Masiello, PM Chu - Applied spectroscopy, 2009 - opg.optica.org
Optical fiber based supercontinuum light sources combine the brightness of lasers with the
broad bandwidth of incandescent lamps and thus are promising candidates for sources in …

Exploring the femtosecond filamentation threshold in liquid media using a Mach–Zehnder interferometer

Y Zhang, Y Xia, C Liang, A Chen, S Li, M Jin - Sensors, 2023 - mdpi.com
We experimentally studied the supercontinuum induced by femtosecond filamentation in
different liquid media. Using a Mach–Zehnder interferometer, we determined the relative …

Testing the coherence of supercontinuum generated by optical vortex beam in water

H Zhang, Y Zhang, S Lin, M Chang, M Yu… - Journal of Physics B …, 2021 - iopscience.iop.org
We experimentally study the femtosecond supercontinuum (SC) generation using an optical
vortex (OV) beam in water. It is demonstrated that the topological charge of the OV beam has …

Gamma‐shaped long‐cavity normal‐dispersion mode‐locked Er‐fiber laser for sub‐nanosecond high‐energy pulsed generation

BN Nyushkov, AV Ivanenko, SM Kobtsev… - Laser physics …, 2012 - Wiley Online Library
We propose the design of a novel γ‐shaped fiber laser resonator and apply it to build a long‐
cavity normaldispersion mode‐locked Er‐fiber laser which features enhanced functionalities …

Femtosecond filamentation in water studied by the interference of supercontinuum

S Li, X Wang, Y Zhang, M Yu, Y Wang, F Liu… - Physica Scripta, 2022 - iopscience.iop.org
Supercontinuum (SC) generation is a typical nonlinear phenomenon that occurs during
femtosecond filamentation in transparent media. The interference of the SC induced by …

Supercontinuum induced by filamentation of Bessel-Gaussian and Laguerre-Gaussian beams in water

J Wu, L Huo, Y Ni, Z Wu, T Chen, S Gao, S Li - Applied Sciences, 2022 - mdpi.com
In this paper, we study the characteristics of the supercontinuum (SC) induced by the
filamentation of two typical vortex beams (ie, Laguerre-Gaussian (LG) and Bessel-Gaussian …

White light generated by femtosecond optical vortex beams

P Hansinger, G Maleshkov, IL Garanovich… - JOSA B, 2016 - opg.optica.org
In this work we report detailed experimental and numerical investigation of the white light
generation by singly and doubly charged optical vortices propagating in a Kerr medium …

Broadband supercontinuum generation in air using tightly focused femtosecond laser pulses

XL Liu, X Lu, X Liu, LB Feng, JL Ma, YT Li, LM Chen… - Optics letters, 2011 - opg.optica.org
Supercontinuum generation in air using tightly focused femtosecond laser pulses was
investigated experimentally. Broadband white-light emission covering the whole visible …