Journal
OPTICS LETTERS
Volume 34, Issue 4, Pages 494-496Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.34.000494
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Funding
- National Science Foundation (NSF) [CHE-0640306]
- U.S. Air Force Research Laboratory Materials and Manufacturing Directorate
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It is shown that plasma polarization measurements can be used to enhance the sensitivity of laser-induced breakdown spectroscopy (LIBS). The polarization of the plasma emission is used to suppress the continuum with only slight attenuation of the discrete atomic and ionic spectra. The method is demonstrated for LIBS detection of copper and carbon samples ablated by pairs of femtosecond laser pulses. (C) 2009 Optical Society of America
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