Surface ripples on silicon and gallium arsenide under picosecond laser illumination
- 1 May 1982
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 40 (9), 824-826
- https://doi.org/10.1063/1.93274
Abstract
We report experimental results on spontaneous periodic surface structures or ripples which occur on the surface of crystalline or ion-implanted semiconductors, using high-power picosecond laser pulses. We suggest that these surface ripples develop as the result of an exponentially growing interaction between the incident laser wave front and a scattered surface optical wave.Keywords
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