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Optical scanning system for quality control of GEM-foils

Kalliokoski, M. and Hilden, T. and Garcia, F. and Heino, J. and Lauhakangas, R. and Tuominen, E. and Turpeinen, R. (2012) Optical scanning system for quality control of GEM-foils. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 664 (1). pp. 223-230. ISSN 0168-9002

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Abstract

An optical scanning system was commissioned and further developed in the Detector Laboratory of Helsinki Institute of Physics and University of Helsinki. It was designed to automatically scan, perform on-line analysis and to classify the overall quality of GEM-foils especially of the GEM-TPC detectors for Super-FRS at FAIR. The optical scanning system consists of precision positioning table, lighting, optics and operating system with analysis software. It has active scanning area of 95 x 95 cm(2) and it can study this area with the minimum resolution of 128 lp/mm. Performance of the system and first results from the GEM-foil uniformity and quality analysis are presented. (C) 2011 Elsevier B.V. All rights reserved.

Item Type: Article
Journal or Publication Title: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Uncontrolled Keywords: Gas electron multiplier ; Quality control ; Optical scanning system
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 59084
Deposited By: ep_importer_pure
Deposited On: 10 Oct 2012 14:28
Refereed?: Yes
Published?: Published
Last Modified: 23 Sep 2013 09:38
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/59084

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