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Updated: Jun 19, 2026

Dependence of Laser-induced Breakdown Spectroscopy Results on Pulse Energies and Timing Parameters Using Soil Simulants

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Published on: September 23, 2013

Detection of uranium using laser-induced breakdown spectroscopy.

Rosemarie C Chinni¹, David A Cremers, Leon J Radziemski

¹Department of Science and Math, Alvernia University, Reading, Pennsylvania 19607, USA.

Applied Spectroscopy

|November 7, 2009

Summary

Laser-induced breakdown spectroscopy (LIBS) effectively detects uranium for environmental surveillance and weapons of mass destruction (WMD) detection. This study optimized LIBS for uranium analysis, achieving low detection limits in soil and on surfaces.

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Measurement and Analysis of Atomic Hydrogen and Diatomic Molecular AlO, C2, CN, and TiO Spectra Following Laser-induced Optical Breakdown

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Published on: February 14, 2014

Area of Science:

Analytical Chemistry
Atomic Spectroscopy
Environmental Science

Background:

Uranium detection is critical for environmental monitoring and security.
Laser-induced breakdown spectroscopy (LIBS) offers potential for rapid, standoff detection.
Uranium's complex spectrum presents challenges for LIBS analysis.

Purpose of the Study:

To conduct a detailed study of uranium detection using LIBS.
To optimize LIBS for environmental surveillance and WMD detection.
To assess LIBS applicability for detecting uranium residues.

Main Methods:

Analyzed uranium spectra under various pressure conditions and atmospheres.
Monitored time decay curves of uranium lines.
Determined relative emission line strengths (260-800 nm).
Investigated double-pulse LIBS configurations.

Main Results:

Uranium spectra showed high background due to dense spectral lines.
Achieved detection limits of 0.26% w/w in soil (close range) and 0.5% w/w (30 m).
Surface detection limits ranged from 13 to 150 microg/cm2, dependent on substrate.
Double-pulse LIBS enhanced uranium signals in certain cases.

Conclusions:

LIBS is a viable technique for uranium detection in environmental and security applications.
Optimized spectral analysis and pulsed techniques improve detection capabilities.
Further research can refine LIBS for specific uranium residue detection scenarios.