Direct volume variation measurements in fused silica specimens exposed to femtosecond laser

A. Champion, Y. Bellouard

Research output: Contribution to journalArticleAcademicpeer-review

57 Citations (Scopus)
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Abstract

We introduce a new method to investigate localized volume variations resulting from laser exposure. Our method is based on the measurement of fused silica cantilevers deflection from which we calculate the effective stress and density variation in laser-affected zones. Specifically, we investigate density variations in fused silica exposed to femtosecond laser exposure in the regime where nanogratings are found. We demonstrate that a volume expansion is taking place in that particular regime.
Original languageEnglish
Pages (from-to)789-798
JournalOptical Materials Express
Volume2
Issue number6
DOIs
Publication statusPublished - 2012

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