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Atomic Absorption Measurements in a Q-Switched Laser Plume Using Pulsed Hollow Cathode Lamps

Volume 27, Number 3 (June 1973) Page 165-170

Osten, D.E.; Piepmeier, E.H.

Quantitative atomic absorption measurements on transient plasmas induced by a Q-switched laser beam were made using pulsed hollow cathode lamps. Calibration curves were obtained for 0.002 to 0.15% Cu in an aluminum alloy and 0.013 to 0.124% Mn in graphite pellets. The dependence of the atomic absorption characteristics upon changes in laser energy and upon atmospheric gas and pressure is discussed.