Time-resolved imaging of processes associated with exit-surface damage growth in fused silica following exposure to nanosecond laser pulses

Stavros G. Demos, Rajesh N. Raman, Raluca A. Negres

Research output: Contribution to journalArticle

35 Scopus citations

Abstract

We study the dynamics of energy deposition and subsequent material response associated with exit surface damage growth in fused silica using a time resolved microscope system. This system enables acquisition of two transient images per damage event with temporal resolution of 180 ps and spatial resolution on the order of 1 μ m. The experimental results address important issues in laser damage growth that include: a) the specific structural features within a damage site where plasma formation initiates; b) the subsequent growth of the plasma regions; c) the formation and expansion of radial and circumferential cracks; d) the kinetics and duration of material ejection; e) the characteristics of the generated shockwave.

Original languageEnglish (US)
Pages (from-to)4875-4888
Number of pages14
JournalOptics Express
Volume21
Issue number4
DOIs
StatePublished - Feb 25 2013
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Medicine(all)

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