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Optical Engineering

Multiple Pulse Laser-Induced Bulk Damage In Crystalline And Fused Quartz At 1.064 And 0.532 õm
Author(s): Larry D. Merkle; Michael Bass; Randall T. Swimm
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Paper Abstract

We report bulk damage measurements on single crystal quartz and two types of fused silica under single and multiple pulse laser irradiation at 1.064 um and 0.532 um. Whereas the single pulse damage threshold varies little among the materials or with wavelength, the multiple pulse induced damage behavior depends strongly upon material and wavelength. Laser calorimetry and measurements of light scattered during irradiation give no evidence of change prior to the pulse on which macroscopic damage occurs. However, the distribution of the number of pulses needed to produce macroscopic damage as a function of intensity is indicative of an accumulation process in which some minimum intensity is required to initiate the accumulation of microscopic damage.

Paper Details

Date Published: 1 August 1983
PDF: 6 pages
Opt. Eng. 22(4) 224405 doi: 10.1117/12.7973135
Published in: Optical Engineering Volume 22, Issue 4
Show Author Affiliations
Larry D. Merkle, University of Southern California (United States)
Michael Bass, University of Southern California (United States)
Randall T. Swimm, University of Southern California (United States)

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