Author, as appears in the article.: Zhao, Yongguang; Wang, Li; Chen, Weidong; Loiko, Pavel; Mateos, Xavier; Xu, Xiaodong; Liu, Ying; Shen, Deyuan; Wang, Zhengping; Xu, Xinguang; Griebner, Uwe; Petrov, Valentin;
Department: Química Física i Inorgànica
URV's Author/s: Mateos Ferré, Xavier
Keywords: Vortex flow Ultrashort pulses Structured laser Solid state lasers Pulses Proof of principles Plasma interactions Organic materials Orbital angular-momentum Optical vortices Optical detection Modes Light Laser-plasma acceleration Laser produced plasmas High reliability Generation Gaussian beams Femtosecond lasers Attosecond science Acceleration
Abstract: Structured ultrashort-pulse laser beams, and in particular eigenmodes of the paraxial Helmholtz equation, are currently extensively studied for novel potential applications in various fields, e.g., laser plasma acceleration, attosecond science, and fine micromachining. To extend these prospects further, in the present work we push forward the advancement of such femtosecond structured laser sources into the 2-mu m spectral region. Ultrashortpulse Hermite- and Laguerre-Gaussian laser modes both with a pulse duration around 100 fs are successfully produced from a compact solid-state laser in combination with a simple single-cylindrical-lens converter. The negligible beam astigmatism, the broad optical spectra, and the almost chirp-free pulses emphasize the high reliability of this laser source. This work, as a proof of principle study, paves the way toward few-cycle pulse generation of optical vortices at 2 mu m. The presented light source can enable new research in the fields of interaction with organic materials, next generation optical detection, and optical vortex infrared supercontinuum. (C) 2021 Chinese Laser Press
Thematic Areas: Optics Electronic, optical and magnetic materials Atomic and molecular physics, and optics
licence for use: https://creativecommons.org/licenses/by/3.0/es/
Author's mail: xavier.mateos@urv.cat
Author identifier: 0000-0003-1940-1990
Record's date: 2024-07-27
Papper version: info:eu-repo/semantics/publishedVersion
Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
Papper original source: Photonics Research. 9 (3): 357-363
APA: Zhao, Yongguang; Wang, Li; Chen, Weidong; Loiko, Pavel; Mateos, Xavier; Xu, Xiaodong; Liu, Ying; Shen, Deyuan; Wang, Zhengping; Xu, Xinguang; Griebner (2021). Structured laser beams: toward 2-mu m femtosecond laser vortices. Photonics Research, 9(3), 357-363. DOI: 10.1364/PRJ.413276
Entity: Universitat Rovira i Virgili
Journal publication year: 2021
Publication Type: Journal Publications
Repositori URV