Gillmore, G, Wertheim, D, Flowers, A, Dugdale, M, Eakins, J.S and Olssen, K (2025) '3D measurement of neutron-induced tracks using confocal microscopy.' Sensors, 25 (17). e5256.
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Abstract
Using a 3D microscope imaging technique that we pioneered for alpha-track imaging of Solid-State Nuclear Track Detectors (SSNTDs), here, we present results from imaging of neutron-induced recoil proton tracks formed by exposing CR39-based detectors to an 241Am(Be) neutron source. Detectors were arranged at zero, thirty, and sixty degrees to the source to assess any variation in the tracks according to source orientation. An Olympus (Olympus Corporation Japan) LEXT laser scanning confocal microscope was used to image the SSNTDs. Depth and cross-sectional size measurements were made on nine tracks, with a median (range) of 3.07 μm in depth (min 0.98 μm to max 8.34 μm), width in plan view of 7.49 μm (min 4.00 μm to 14.89 μm max), and breadth in plan view of 8.41 μm (min 4.17 μm to max 11.80 μm). In this study, we have shown our confocal microscopy approach can successfully image the 3D surface of neutron-induced tracks in SSNTDs; the imaging method thus enables the measurement of track cross-sectional dimensions and depth, as well as the identification of angled tracks.
| Item Type: | Article |
|---|---|
| Keywords: | Solid-State Nuclear Track Etch Detectors, neutrons, laser confocal microscopy |
| Divisions: | School of Sciences |
| Date Deposited: | 27 Aug 2025 08:52 |
| Last Modified: | 27 Aug 2025 08:52 |
| ISSN: | 1424-8220 |
| URN: | https://researchspace.bathspa.ac.uk/id/eprint/17229 |
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