Comparison between image plate and Micromegas detector for thermal neutron tomography

Samuel Andriamonje; Alain Delbart; Isabelle Espagnon; Ioannis Giomataris; Sebastien Herlant; Fabien Jeanneau; Robert Junca; Aamuel Legoupil; Alain Pluquet

doi:10.1117/12.453927

18 November 2002 Comparison between image plate and Micromegas detector for thermal neutron tomography

Samuel Andriamonje, Alain Delbart, Isabelle Espagnon, Ioannis Giomataris, Sebastien Herlant, Fabien Jeanneau, Robert Junca, Aamuel Legoupil, Alain Pluquet

Author Affiliations +

Proceedings Volume 4785, Advances in Neutron Scattering Instrumentation; (2002) https://doi.org/10.1117/12.453927
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

The topic of this study is to build a 2D or 3D thermal neutron tomography system with a good spatial resolution (better than σ = 100 μm) for imaging of objects of some centimeters diameter. Two ways of detection have been investigated: Image Plate technology and Micromegas, a detector developed for particle physics, with a 50 μm thick foil of Lithium as neutron converter. With the classical Image Plate technology, a spatial resolution around 50 μm has been obtained but it would be very difficult to develop an industrial tomography system based on this kind of detector. In the case of a Micromegas detector, with one-dimensional readout, a 60 μm spatial resolution has been reached. This result, together with an easier industrialization make the Micromegas technology very promising for thermal neutron tomography.

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Samuel Andriamonje, Alain Delbart, Isabelle Espagnon, Ioannis Giomataris, Sebastien Herlant, Fabien Jeanneau, Robert Junca, Aamuel Legoupil, and Alain Pluquet "Comparison between image plate and Micromegas detector for thermal neutron tomography", Proc. SPIE 4785, Advances in Neutron Scattering Instrumentation, (18 November 2002); https://doi.org/10.1117/12.453927

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