Grazing-incidence spectrometer for the monitoring of the VUV FEL beam at DESY

Luca Poletto; L. Epulandi; Piergiorgio Nicolosi; Maria Guglielmina Pelizzo; Paolo Zambolin; Josef Feldhaus; Ulf Jastrow; Ulrich Hahn; E. Ploenjes; Kai Tiedtke

doi:10.1117/12.556351

10 November 2004 Grazing-incidence spectrometer for the monitoring of the VUV FEL beam at DESY

Luca Poletto, L. Epulandi, Piergiorgio Nicolosi, Maria Guglielmina Pelizzo, Paolo Zambolin, Josef Feldhaus, Ulf Jastrow, Ulrich Hahn, E. Ploenjes, Kai Tiedtke

Author Affiliations +

Proceedings Volume 5534, Fourth Generation X-Ray Sources and Optics II; (2004) https://doi.org/10.1117/12.556351
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

A stigmatic spectrometer for the 2.5-40 nm EUV region has been realized. The design consists of a grazing-incidence spherical variable-line-spaced grating with flat-field properties and of a spherical mirror mounted in the Kirkpatrick-Baez configuration that compensates for the astigmatism. The spectrum is acquired on a fluorescent screen and intensified CCD detector, that can be moved along the spectral focal curve to select the spectral region to be acquired. The spectral and spatial resolution of the system have been characterized by using the emission from an hollow-cathode lamp and a laser-produced plasma. At present, the instrument is installed at the VUV-FEL at DESY for the spectral monitoring of the FEL beam in the 20-45 nm region.

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Luca Poletto, L. Epulandi, Piergiorgio Nicolosi, Maria Guglielmina Pelizzo, Paolo Zambolin, Josef Feldhaus, Ulf Jastrow, Ulrich Hahn, E. Ploenjes, and Kai Tiedtke "Grazing-incidence spectrometer for the monitoring of the VUV FEL beam at DESY", Proc. SPIE 5534, Fourth Generation X-Ray Sources and Optics II, (10 November 2004); https://doi.org/10.1117/12.556351

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