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Proceedings Paper

Design of a beam separator for high-order harmonics below 10 nm
Author(s): L. Poletto; F. Frassetto; P. Villoresi
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Paper Abstract

High-order harmonics are a relevant source of coherent extreme-ultraviolet and soft x-ray radiation of very short time duration, super spatial coherence and high peak brilliance. For their practical use however, the problem of the co-propagation of the high-energy pumping beam with the generated harmonics has to be solved. For this purpose a beam separator has to be used, with high damage threshold, high attenuation of the pump pulse, high throughput in the extreme-ultraviolet and tunability in a broad spectral region. In this work we present the design of a beam separator for ultrashort high-order harmonics with two diffraction gratings. The system can be designed for any wavelength in the 2-40 nm region, is efficient and robust with respect also to very powerful laser sources. Both temporal and spatial chirping effects are analyzed.

Paper Details

Date Published: 3 September 2008
PDF: 7 pages
Proc. SPIE 7077, Advances in X-Ray/EUV Optics and Components III, 707711 (3 September 2008); doi: 10.1117/12.793002
Show Author Affiliations
L. Poletto, INFM, Univ. degli Studi di Padova (Italy)
F. Frassetto, INFM, Univ. degli Studi di Padova (Italy)
P. Villoresi, INFM, Univ. degli Studi di Padova (Italy)

Published in SPIE Proceedings Vol. 7077:
Advances in X-Ray/EUV Optics and Components III
Ali M. Khounsary; Christian Morawe; Shunji Goto, Editor(s)

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