Absorption laser-induced breakdown spectroscopy

Olodia Ayed Nassef; Hani E. Elsayed-Ali

doi:10.1117/12.817786

30 April 2009 Absorption laser-induced breakdown spectroscopy

Olodia Ayed Nassef, Hani E. Elsayed-Ali

Proceedings Volume 7312, Advanced Environmental, Chemical, and Biological Sensing Technologies VI; 73120Z (2009) https://doi.org/10.1117/12.817786
Event: SPIE Defense, Security, and Sensing, 2009, Orlando, Florida, United States

Abstract

Self-absorption is used in laser induced breakdown spectroscopy to obtain quantitative analytical information. In this approach two plasmas are generated with a laser pulse that is split into two beams separated by a few millimeters and incident on the target material. One of the beams generates plasma that acts as the light source analogous to that used in standard atomic absorption spectroscopy, while the other generates plasma that is used as the analyte. The lines emitted from the light source plasma are absorbed while passing through the analyte plasma. This technique was applied to Cu- Zn samples with different Cu/Zn concentrations. The results show that the strongly self absorbed Cu 324 nm and 327 nm lines can be effectively used to probe the Cu concentration, while the Cu 330 nm line does not show strong selfabsorption.

Citation Download Citation

Olodia Ayed Nassef and Hani E. Elsayed-Ali "Absorption laser-induced breakdown spectroscopy", Proc. SPIE 7312, Advanced Environmental, Chemical, and Biological Sensing Technologies VI, 73120Z (30 April 2009); https://doi.org/10.1117/12.817786

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