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Proceedings Paper

Grazing-incidence spectrometer for the monitoring of the VUV FEL beam at DESY
Author(s): Luca Poletto; L. Epulandi; Piergiorgio Nicolosi; Maria Guglielmina Pelizzo; Paolo Zambolin; Josef Feldhaus; Ulf Jastrow; Ulrich Hahn; E. Ploenjes; Kai Tiedtke
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Paper 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.

Paper Details

Date Published: 10 November 2004
PDF: 10 pages
Proc. SPIE 5534, Fourth Generation X-Ray Sources and Optics II, (10 November 2004); doi: 10.1117/12.556351
Show Author Affiliations
Luca Poletto, INFM, Univ. degli Studi di Padova (Italy)
L. Epulandi, INFM, Univ. degli Studi di Padova (Italy)
Piergiorgio Nicolosi, INFM, Univ. degli Studi di Padova (Italy)
Maria Guglielmina Pelizzo, INFM, Univ. degli Studi di Padova (Italy)
Paolo Zambolin, INFM, Univ. degli Studi di Padova (Italy)
Josef Feldhaus, HASYLAB/DESY (Germany)
Ulf Jastrow, HASYLAB/DESY (Germany)
Ulrich Hahn, HASYLAB/DESY (Germany)
E. Ploenjes, HASYLAB/DESY (Germany)
Kai Tiedtke, HASYLAB/DESY (Germany)

Published in SPIE Proceedings Vol. 5534:
Fourth Generation X-Ray Sources and Optics II
Sandra G. Biedron; Wolfgang Eberhardt; Tetsuya Ishikawa; Roman O. Tatchyn, Editor(s)

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