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Showing 1–5 of 5 results

Advanced filters: Author: R. Géneaux Clear advanced filters

Synthesis and characterization of attosecond light vortices in the extreme ultraviolet

Twisted light beams have found several applications in the infrared and visible regime, but reaching the extreme ultraviolet has been difficult due to lack of sources. Here the authors report generation of helically shaped extreme ultraviolet trains of attosecond pulses via high harmonic generation.

R. Géneaux
A. Camper
T. Ruchon
ResearchOpen Access30 Aug 2016
Nature Communications

Volume: 7, P: 1-6
Tunable orbital angular momentum in high-harmonic generation

The controlled generation of extreme-ultraviolet beams with controllable topological charge has not been demonstrated. Here, Gauthieret al. report on the generation of extreme-ultraviolet optical vortices with femtosecond duration carrying a controllable amount of orbital angular momentum.

D. Gauthier
P. Rebernik Ribič
G. De Ninno
ResearchOpen Access05 Apr 2017
Nature Communications

Volume: 8, P: 1-7
A table-top ultrashort light source in the extreme ultraviolet for circular dichroism experiments

A table-top source based on high-harmonic generation produces bright, coherent, quasi-circular pulses of extreme ultraviolet light for probing chiral molecules.

A. Ferré
C. Handschin
Y. Mairesse
Research22 Dec 2014
Nature Photonics

Volume: 9, P: 93-98
Photoexcitation circular dichroism in chiral molecules

Photoexcitation circular dichroism generates an ultrafast response in chiral molecules, with a much higher sensitivity than standard circular dichroism.

S. Beaulieu
A. Comby
V. Blanchet
Research19 Feb 2018
Nature Physics

Volume: 14, P: 484-489
Efficient table-top dual-wavelength beamline for ultrafast transient absorption spectroscopy in the soft X-ray region

Lou Barreau
Andrew D. Ross
Stephen R. Leone
ResearchOpen Access01 Apr 2020
Scientific Reports

Volume: 10, P: 1-9