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Proceedings Paper

Calibration facility in the XUV region for reflective optics
Author(s): Andrea Marco Malvezzi; Gianluca Secondi
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Paper Abstract

A calibration facility of laboratory size and modular in design is described for absolute spectral reflectivity and spatial resolution in image-forming devices. It is based on an optical table concept where all optical elements can be modularly positioned on remotely controlled translation/rotation stages. XUV photons are provided by a minifocus conventional source with replaceable anode. K-, L-, and M- band transition radiation from different metals is used. This source can be positioned at variable distances (up to 5 m) from the measurement chamber for imaging purposes. Spectral control of the radiation used in the tests can be achieved with transmission filters, with grazing incidence reflections or with a grazing incidence monochromator. Channeltron detectors in photon counting mode monitor incident and reflected signals. This instrument is now being used for characterizing grazing incidence flat mirrors as well as multilayer-coated optical surfaces.

Paper Details

Date Published: 25 November 1999
PDF: 9 pages
Proc. SPIE 3764, Ultraviolet and X-Ray Detection, Spectroscopy, and Polarimetry III, (25 November 1999); doi: 10.1117/12.371093
Show Author Affiliations
Andrea Marco Malvezzi, Univ. degli Studi di Pavia (Italy) and INFM (Italy)
Gianluca Secondi, Univ. degli Studi di Pavia (Italy) and INFM (Italy)

Published in SPIE Proceedings Vol. 3764:
Ultraviolet and X-Ray Detection, Spectroscopy, and Polarimetry III
Silvano Fineschi; Bruce E. Woodgate; Randy A. Kimble, Editor(s)

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