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Proceedings Paper

Features and performance of the CARIX MCP framing cameras
Author(s): Dominique Gontier; Alain Mens; Pascal Brunel; Philippe Troussel; Philippe Stemmler
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Paper Abstract

The multi-image framing camera based on gated MicroChannel Plates (MCPs), used in ICF programs, allows to obtain a sequence of 2D images in the x-ray range with gating times smaller than 100 ps and spatial resolution better than 20 pl/mm. After using such devices from different factories, we decided to build our own tube. Our choice is motivated by the great fragility of the tube, consequent to both bad vacuum during the experiment and moisture due to frequent air launching, and by the mastery of the technology which is necessary to repair rapidly such apparatuses. The characteristics of the tube, particularly shutter time and spectral response, must be known as exactly as possible. Consequently we describe in these pages the method used to measure a shutter time of about 75 ps and we appraise the errors due to the FWHM and the spatial unstability of the UV laser pulse employed to illuminate the front side of the MCP. The measurement of the spectral sensitivity, determined by experiments with synchrotron radiation on the storage ring SUPERACO in Orsay (France), shows a response in the energy band 2 - 5 keV different from the one measured with the gold vacuum-deposited photocathode on the MCP.

Paper Details

Date Published: 28 May 1997
PDF: 10 pages
Proc. SPIE 2869, 22nd International Congress on High-Speed Photography and Photonics, (28 May 1997); doi: 10.1117/12.273444
Show Author Affiliations
Dominique Gontier, CEA Limeil-Valenton (France)
Alain Mens, CEA Limeil-Valenton (France)
Pascal Brunel, CEA Limeil-Valenton (France)
Philippe Troussel, CEA Limeil-Valenton (France)
Philippe Stemmler, CEA Bruyeres Le Chatel (France)

Published in SPIE Proceedings Vol. 2869:
22nd International Congress on High-Speed Photography and Photonics
Dennis L. Paisley; ALan M. Frank, Editor(s)

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