Laser-induced damage probability at 1.06 µm and 0.69 µm

Michael Bass, Harrison H. Barrett

Research output: Contribution to journalArticlepeer-review

74 Scopus citations


The first directly comparable measurements of the laser-induced surface damage process at both ruby and Nd: YAG laser wavelengths are reported. The most striking feature of the data is that all the materials studied are harder to damage at 0.69 µm than at 1.06 µm. The probabilistic nature of the laser-induced damage process at 1.06 arm was explored further by measuring the distribution of breakdown starting times with an image-converter streak camera. The observed distribution is described by the compound probability that breakdown occurs at a particular time, given that it has not occurred before that time. In addition, several connections between the probabilistic and thresholdlike interpretations of laser-induced damage are discussed. It is shown that these points of view are not totally incompatible.

Original languageEnglish (US)
Pages (from-to)690-699
Number of pages10
JournalApplied optics
Issue number4
StatePublished - Apr 1973

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering


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