Study of Distribution of Atoms in Laser-Generated Plumes by Laser-Enhanced Ionization Spectroscopy

Authors: Pang, Ho-Ming; Yeung, Edward S.

Source: Applied Spectroscopy, Volume 44, Issue 5, Pages 755-903 (June 1990) , pp. 871-875(5)

Publisher: Society for Applied Spectroscopy

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Laser-enhanced ionization can be used to interrogate the laser-generated plume. Relatively broad absorption spectral features due to the dense laser plumes have been studied by using two separate lasers to provide different vaporization and excitation conditions. By varying the time delay and the positions between the vaporization and excitation laser pulses, one can study the evolution of the laser-generated plumes. High sensitivity can be achieved even with the use of visible light for excitation.

Keywords: Analytical methods; Lasers, dye; Spectroscopic techniques; Surface analysis; Time-resolved spectroscopy

Document Type: Research Article


Affiliations: Ames Laboratory-USDOE and Department of Chemistry, Iowa State University, Ames, Iowa 50011

Publication date: June 1, 1990

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