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Mar 20 – 23, 2023
Campus Garching
Europe/Berlin timezone

New Perspectives for Neutron Imaging through Advanced Event-Mode Data Acquisition

Mar 21, 2023, 4:00 PM
2h
Yards 4 - 6 (Fakultät für Maschinenwesen)

Yards 4 - 6

Fakultät für Maschinenwesen

Board: TU-136
Poster Neutron Instrumentation, Optics, Sample Environment, Detectors, and Software Poster session TUESDAY

Speaker

Adrian Losko (Technische Universität München, Forschungs-Neutronenquelle MLZ (FRMII))

Description

With the transformative development of event-based detectors, new perspectives for detection systems for various types of radiation were opened up. A recently developed event-driven imaging system based on Timepix3 sensor technology is capable of observing and time-stamping the optical signal induced by particle interactions in scintillator materials with nanosecond temporal and micrometer spatial resolution, providing a pathway to fuse the benefits of integrating camera type with counting type detectors. In this approach, the reconstruction of the interaction position of a neutron with the scintillator with sub-pixel accuracy can provide a precise determination in location, as well as in time-of-arrival of the individual neutrons. Utilizing such a principle, it was shown that spatial and temporal resolution can be improved beyond the classical limits of “regular” neutron imaging. Additionally, a significant increase of signal-to-noise ratio was achieved using the unique potential of event-mode detection to discriminate gamma background from neutron signal based on the spatiotemporal signature of single neutron events produced in the scintillator. Here, we present the most recent results in utilizing this concept for imaging applications and scintillator characterization measurements. It is considered that this novel concept will replace regular cameras in neutron imaging detectors as it provides superior detection capabilities compared to conventional camera systems.

Primary author

Adrian Losko (Technische Universität München, Forschungs-Neutronenquelle MLZ (FRMII))

Co-authors

Alex Gustschin (Neutron Imaging / ANTARES) Dr Alexander Long (LANL) Alexander Wolfertz (TUM FRM2) Manuel Morgano (European Spallation Source, Lund, Sweden/Paul Scherrer Institut (PSI), Villigen, Switzerland) Micah Johnson (Lawrence Livermore National Laboratory) Michael Bacak (CERN) Michael Schulz (Heinz Maier-Leibnitz Zentrum (MLZ), Technische Universität München, Garching, Germany) Sven Vogel (Los Alamos Neutron Science Center) Yiyong Han (Heinz Maier-Leibnitz Zentrum) anton Tremsin (University of California)

Presentation materials

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