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Updated: Aug 26, 2025
09:40
Measurement and Analysis of Atomic Hydrogen and Diatomic Molecular AlO, C2, CN, and TiO Spectra Following Laser-induced Optical Breakdown
Published on: February 14, 2014
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Standoff Interaction Assessment Using High-Energy Laser-Induced Oxidation Spectroscopy.
Jean-François Daigle1, Mathieu Foster2, Guillaume Caron2
1Valcartier Research Centre, 60455Defence Research and Development Canada, Valcartier, QC, Canada.
Applied Spectroscopy
|October 11, 2022
Summary
High-energy laser-induced oxidation spectroscopy (HELIOS) enables real-time monitoring of material interactions at long distances. This standoff sensing method is crucial for assessing high-energy laser applications beyond 100 meters.
Area of Science:
- Materials Science
- Spectroscopy
- Laser Technology
Background:
- High-energy lasers (HELs) are increasingly used in standoff applications (>100 m).
- Existing sensing methods are inadequate for real-time monitoring of material interactions at these long distances.
- Effective monitoring is essential for understanding HEL-material interactions.
Purpose of the Study:
- To demonstrate a novel standoff sensing method for HEL applications.
- To assess the feasibility of high-energy laser-induced oxidation spectroscopy (HELIOS) for long-distance monitoring.
- To investigate HEL-material interaction mechanisms in real time.
Main Methods:
- HELIOS was applied to carbon steel coupons.
- Spectral features of thermally excited iron atoms and oxides were monitored.
- Real-time temperature measurements were integrated with spectral analysis.
Main Results:
- HELIOS proved effective for standoff assessment of HEL-material interactions.
- Spectral analysis revealed key interaction mechanisms.
- Temperature data corroborated spectroscopic findings.
Conclusions:
- HELIOS is a viable and efficient method for standoff monitoring in long-distance HEL applications.
- The technique provides insights into laser-induced material modifications.
- This advancement supports the safe and effective deployment of HEL systems.
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