Optical Catapulting Laser Induced Breakdown Spectroscopy (OC‐LIBS) And Conventional LIBS: A comparative Study
- Conference date: 1–5 May 2011
- Location: Cairo, (Egypt)
Optical catapulting laser induced breakdown spectroscopy (OC‐LIBS) is a new developing method and was successfully used for the analysis of solid aerosols. In the present work Bermuda Grass Smut Spores material in the form of fingerprint left on the glass support was used and analyzed using both OC‐LIBS and conventional LIBS. Experimental conditions such the interpulse delay time between lasers, the effect of laser fluence on the emission lines intensities present in the fingerprint were investigated. A comparison between OC‐LIBS and conventional LIBS for Bermuda was also performed. Moreover, conventional LIBS for glass only was conducted as a reference in the comparison between both methods. Advantages of OC‐LIBS over conventional LIBS in terms of absence of contamination of the specimen analyzed and freedom from spectral contribution of the substrate where the sample was placed has been demonstrated in this research.
- Laser induced breakdown spectroscopy
- Materials analysis
- Spectrum analysis
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