Journal Article

PUBDB-2017-11919

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Micro-Focusing of Broadband High-Order Harmonic Radiation by a Double Toroidal Mirror

Coudert-Alteirac, H. (Corresponding author) ; Dacasa, H. ; Campi, F. ; Kueny, E.CFEL*DESY* ; Farkas, B. ; Brunner, F. ; Maclot, S.Extern* ; Manschwetus, B.DESY* ; Wikmark, H. ; Lahl, J.Extern* ; Rading, L.Extern* ; Peschel, J.Extern* ; Major, B. ; Varjú, K. ; Dovillaire, G.Extern* ; Zeitoun, P.Extern* ; Johnsson, P.Extern* ; L’Huillier, A. ; Rudawski, P. (Corresponding author)Extern*

2017
MDPI Basel

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Please use a persistent id in citations: doi:10.3390/app7111159  doi:10.3204/PUBDB-2017-11919

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 to the focus yields a focal spot of 3.6 × 4.0 $\mu$m$^2$ full width at half maximum, which is consistent with ray-tracing simulations that predict a minimum size of 3.0 × 3.2 $\mu$m$^2$. This work is important for optimizing the intensity of focused high-order harmonics in order to reach the nonlinear interaction regime.

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Contributing Institute(s):

1. Betreuung der Hochleistungslaser (FS-LA)
2. Ultrafast Lasers & X-rays Division (FS-CFEL-2)

Research Program(s):

1. 6211 - Extreme States of Matter: From Cold Ions to Hot Plasmas (POF3-621) (POF3-621)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2017

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Database coverage:
; ; ; ; Current Contents - Engineering, Computing and Technology ; Current Contents - Physical, Chemical and Earth Sciences ; DOAJ Seal ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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