Standoff Methods for the Detection of Threat Agents: A Review of Several Promising Laser-Based Techniques

<table>Schematic of the two laser LIBS systems for CO<sub>2</sub> laser enhancement of Nd:YAG induced LIBS plasma emission for the preliminary work.</table>

Journal of Spectroscopy

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Figure 10

Figure 10: Standoff Methods for the Detection of Threat Agents: A Review of Several Promising Laser-Based Techniques 