Abstract
A comprehensive investigation of laser-induced breakdown spectroscopy (LIBS) at of residues of six organic compounds (anthracene, caffeine, glucose, 1,3-dinitrobenzene, 2,4-dinitrophenol, and 2,4-dinitrotoluene) on aluminum substrates is presented and compared with LIBS at the Nd:YAG fundamental wavelength of . The overall emission intensities were found to be smaller at than at , and the ratios of and CN molecular emissions to the H atomic emissions were observed to be less. Possible reasons for the observed differences in LIBS at versus are discussed.
© 2008 Optical Society of America
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