TITLE

New near-infrared LIBS detection technique for sulfur

AUTHOR(S)
Asimellis, George; Giannoudakos, Aggelos; Kompitsas, Michael
PUB. DATE
June 2006
SOURCE
Analytical & Bioanalytical Chemistry;Jun2006, Vol. 385 Issue 2, p333
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Sulfur has been detected in a spectral window (around 868 nm) previously unexplored by laser-induced breakdown spectrometry (LIBS), using an ablation laser with an ultraviolet wavelength, a gated detector, and inert ambient gas at a low, controlled pressure. This spectral window enables new-generation gated iCCD cameras to be used, which have adequate quantum efficiencies up to 900 nm. Application of our technique can substantially improve signal strength and thus extends the ability of LIBS to detect many nonmetallic elements. [Figure not available: see fulltext.]
ACCESSION #
20599057

 

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