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Proceedings Paper

Evaluation by UV optical measurements of the imaging quality of grazing incidence x-ray optics
Author(s): Paolo Conconi; U. Bergamini; Oberto Citterio; Giuseppe Crimi; Mauro Ghigo; Francesco Mazzoleni
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Paper Abstract

The use of an optical bench operating with UV or visible light, provide an easy and quick way for making a first assessment of the quality of replicated grazing incidence x-ray optics. The mirror to be analyzed is fully illuminated by means of a collimated beam of light and the image at the focal plane is analyzed with a CCD camera. The limit of this approach is given by the diffraction effect which could be important in the visible due to the large obscuration factor which is intrinsic to grazing incidence optics. The paper presents an analysis of the diffraction effect and how to separate the intrinsic aberrations from the diffraction. The use of an UV source (275 nm) is also reported in order to minimize the diffraction effects.

Paper Details

Date Published: 1 February 1994
PDF: 11 pages
Proc. SPIE 2011, Multilayer and Grazing Incidence X-Ray/EUV Optics II, (1 February 1994); doi: 10.1117/12.167226
Show Author Affiliations
Paolo Conconi, Osservatorio Astronomico di Brera (Italy)
U. Bergamini, Osservatorio Astronomico di Brera (Italy)
Oberto Citterio, Osservatorio Astronomico di Brera (Italy)
Giuseppe Crimi, Osservatorio Astronomico di Brera (Italy)
Mauro Ghigo, Osservatorio Astronomico di Brera (Italy)
Francesco Mazzoleni, Osservatorio Astronomico di Brera (Italy)

Published in SPIE Proceedings Vol. 2011:
Multilayer and Grazing Incidence X-Ray/EUV Optics II
Richard B. Hoover, Editor(s)

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