Compact spectrometer for the analysis of high harmonics content of extreme-ultraviolet free-electron-laser radiation

F. Frassetto; S. Coraggia; L. Poletto; N. Guerassimova; S. Dziarzhytski; E. Ploenjes; H. Weigelt

doi:10.1117/12.861615

27 August 2010 Compact spectrometer for the analysis of high harmonics content of extreme-ultraviolet free-electron-laser radiation

F. Frassetto, S. Coraggia, L. Poletto, N. Guerassimova, S. Dziarzhytski, E. Ploenjes, H. Weigelt

Author Affiliations +

Proceedings Volume 7802, Advances in X-Ray/EUV Optics and Components V; 780209 (2010) https://doi.org/10.1117/12.861615
Event: SPIE Optical Engineering + Applications, 2010, San Diego, California, United States

Abstract

We present the design and characterization of the spectrometer to be used at the FLASH facility (DESY, Hamburg) to characterize the spectral properties of free-electron-laser radiation in terms of high harmonics content. The spectrometer is sensitive in the 2-40 nm region. The optical design consists of two spherical gratings with variable groove spacing and a extreme-ultraviolet-enhanced CCD detector. The instrument design and characterization are presented.

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F. Frassetto, S. Coraggia, L. Poletto, N. Guerassimova, S. Dziarzhytski, E. Ploenjes, and H. Weigelt "Compact spectrometer for the analysis of high harmonics content of extreme-ultraviolet free-electron-laser radiation", Proc. SPIE 7802, Advances in X-Ray/EUV Optics and Components V, 780209 (27 August 2010); https://doi.org/10.1117/12.861615

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