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Updated: Oct 1, 2025

Laser-heating and Radiance Spectrometry for the Study of Nuclear Materials in Conditions Simulating a Nuclear Power Plant Accident
Published on: December 14, 2017
Demonstration of non-destructive and isotope-sensitive material analysis using a short-pulsed laser-driven
Marc Zimmer1, Stefan Scheuren2, Annika Kleinschmidt3,4
1Technische Universität Darmstadt, Institut für Kernphysik, Darmstadt, 64289, Germany. mzimmer@ikp.tu-darmstadt.de.
Compact laser-driven neutron sources offer isotope-sensitive, non-destructive material analysis. This technology complements X-rays and enables advanced material investigation beyond large-scale facilities.
Area of Science:
- Nuclear physics
- Materials science
- Laser-driven technologies
Background:
- Neutrons are crucial for non-destructive material analysis due to isotope-sensitive interactions, complementing X-rays.
- Current neutron applications are primarily confined to large-scale facilities like research reactors and spallation sources.
Purpose of the Study:
- To design and optimize a compact laser-driven neutron source for the epi-thermal and thermal energy range.
- To demonstrate the application of this source for non-invasive material analysis.
Main Methods:
- Design and optimization of a laser-driven neutron source.
- Utilizing moderated neutrons for material investigation.
- Applying neutron resonance spectroscopy, neutron radiography, and neutron resonance imaging.
Main Results:
- Successful demonstration of neutron resonance spectroscopy, neutron radiography, and neutron resonance imaging.
- Effective investigation of sample isotope composition and thickness using moderated neutrons.
- Validation of the laser-driven source for non-invasive material analysis.
Conclusions:
- Laser-driven neutron sources are viable for non-destructive, isotope-sensitive material analysis.
- This technology offers high application potential for compact neutron sources.
- Experimental results encourage further development and application of this neutron source technology.
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