| Issue |
EPJ Web Conf.
Volume 288, 2023
ANIMMA 2023 – Advancements in Nuclear Instrumentation Measurement Methods and their Applications
|
|
|---|---|---|
| Article Number | 07009 | |
| Number of page(s) | 4 | |
| Section | Decommissioning, Dismantling and Remote Handling | |
| DOI | https://doi.org/10.1051/epjconf/202328807009 | |
| Published online | 21 November 2023 | |
https://doi.org/10.1051/epjconf/202328807009
Neutron imaging with Micromegas detectors with optical readout
1 DRT, IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
2 European Organization for Nuclear Research (CERN), 1211 Geneva 23, Switzerland
3 SOLEIL Synchrotron, L’Orme des Merisiers, Départementale 128, 91190 Saint-Aubin, France
4 DG, SPRE, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
5 DRT, LIST, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France
Published online: 21 November 2023
Optical readout of Micromegas gaseous detectors has been achieved by implementing a Micromegas detector on a glass substrate with a glass anode and a CMOS camera. Efficient X-ray radio-graphy has been demonstrated due to the integrated imaging approach inherent to optical readout. High granularity values have been reached for low-energy X-rays from radioactive sources and X-ray generators taking advantage of image sensors with several megapixel resolution. Detector characterization under X-ray radiography opens the way to different applications from beta imaging to neutron radiography. Here we will focus on one application: neutron imaging for non-destructive examination of highly gamma-ray emitting objects. This article reports the characterization of the detectors when exposed to a low activity neutron source. The response of the detector to thermal neutrons has been studied with different field configurations and gap thicknesses.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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