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Authors = Anne L’Huillier

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12 pages, 3913 KB  
Article
Micro-Focusing of Broadband High-Order Harmonic Radiation by a Double Toroidal Mirror
by Hélène Coudert-Alteirac, Hugo Dacasa, Filippo Campi, Emma Kueny, Balázs Farkas, Fabian Brunner, Sylvain Maclot, Bastian Manschwetus, Hampus Wikmark, Jan Lahl, Linnea Rading, Jasper Peschel, Balázs Major, Katalin Varjú, Guillaume Dovillaire, Philippe Zeitoun, Per Johnsson, Anne L’Huillier and Piotr Rudawski
Appl. Sci. 2017, 7(11), 1159; https://doi.org/10.3390/app7111159 - 12 Nov 2017
Cited by 26 | Viewed by 11814
Abstract
We present an optical system based on two toroidal mirrors in a Wolter configuration to focus broadband extreme ultraviolet (XUV) radiation. Optimization of the focusing optics alignment is carried out with the aid of an XUV wavefront sensor. Back-propagation of the optimized wavefront [...] Read more.
We present an optical system based on two toroidal mirrors in a Wolter configuration to focus broadband extreme ultraviolet (XUV) radiation. Optimization of the focusing optics alignment is carried out with the aid of an XUV wavefront sensor. Back-propagation of the optimized wavefront to the focus yields a focal spot of 3.6 × 4.0 µm2 full width at half maximum, which is consistent with ray-tracing simulations that predict a minimum size of 3.0 × 3.2 µm2. This work is important for optimizing the intensity of focused high-order harmonics in order to reach the nonlinear interaction regime. Full article
(This article belongs to the Special Issue Advanced EUV and X-Ray Optics)
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