Author:
Eschbach P. A.,Dickinson J. T.,Langford S. C.,Jensen L. C.,Pederson L. R.,Baer D. R.
Abstract
ABSTRACTOn polished sodium trisilicate glass surfaces, a fairly distinct threshold in laser fluence is observed to commence ablative etching. An incubation or induction effect is also seen where a series of laser pulses is required to induce etching. In this paper we examine features of the charged particle emission over a broader range of fluences (in particular, at lower fluences) to identify those factors which control the onset of etching. Laser--free electron heating is proposed as a dominant mechanism.
Publisher
Springer Science and Business Media LLC
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