Interaction of a Laser Beam with Metals. Part II: Space-Resolved Studies of Laser-Ablated Plasma Emission

Author:

Lee Yong-Ill1,Sawan Samuel P.1,Thiem Terry L.1,Teng Ye-Yung1,Sneddon Joseph1

Affiliation:

1. Department of Chemistry (Y.-I.L., S.P.S., J.S.) and Department of Physics (Y.-Y.T.), University of Massachusetts-Lowell, Lowell, Massachusetts 01854; and Air Force Phillips Laboratory, Hanscom Air Force Base, Bedford, Massachusetts 01731 (T.L.T.)

Abstract

Spatial measurements of the emission spectra of a laser-generated plasma were obtained for copper and lead targets. Results showed that the two metals gave quite different sizes of plasma, the plasma formed with copper extending 2 mm, and that with lead extending 5 mm, above the metal surface. Excitation temperatures of the plasma ranged from 13,200 to 17,200 K for copper and 11,700 to 15,300 K for lead.

Publisher

SAGE Publications

Subject

Spectroscopy,Instrumentation

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