Time-Resolved Optical Reflectivity and Transmission During Laser-Induced Oxidation of Cadmium Films

Author:

Baufay L.,Wautelet M.,Pigeolet A.,Andrew R.

Abstract

ABSTRACTThe laser-induced oxidation of 2000 Å thick cadmium films on glass substrates is studied by measuring the time-resolved reflectivity and transmission of a probe beam. Under CW laser irradiation, the thickness of the oxide layer is shown to increase linearly with time. Also, the velocity, v, of the CdO-Cd interface increases with increasing laser power, with a step when the melting point of Cd is attained. At the highest powers studied in this work, v varies as v = voexp(−a/P), with vo = 6100 Ås−1 and a=4.8 W.

Publisher

Springer Science and Business Media LLC

Subject

General Engineering

Reference10 articles.

1. Thermochemical action of laser radiation on thin metal films

2. 3. Antoniadis C. , Joliet M. C. , Laude L. D. , and Wutelet M. , to be published.

3. Phase transitions in compound semiconductor films triggered by laser irradiation

4. 10. Andrew R. , Bauafay L. , Canivez Y. , and Pigeolet A. , J. de Phys. (Paris), in press.

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