STP689

    Laser Induced Damage in Fluoride Glasses: A Status Report

    Published: Jan 1979


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    Abstract

    Bulk and surface damage thresholds of fluorophosphate and fluoroberyllate glasses have been measured for 1-ns 1064-nm laser pulses. For crystal-free samples, threshold values for fluoride glasses are comparable to those measured in optical quality fused silica and borosilicate glasses. However, for many samples investigated the presence of solid inclusions results in low damage thresholds. Some examples of solid inclusions are shown and discussed. Surface damage thresholds in FK-51 fluorophosphate glass are uniformly high and exhibit an approximate square root dependence on pulse duration in the range of 0.1–1.0 ns.

    Keywords:

    Damage thresholds, fluoroberyllate glass, fluorophosphate glass, inclusions, pulse duration


    Author Information:

    Stokowski, SE
    University of California Lawrence Livermore Laboratory, Livermore, California

    Milam, D
    University of California Lawrence Livermore Laboratory, Livermore, California

    Weber, MJ
    University of California Lawrence Livermore Laboratory, Livermore, California


    Paper ID: STP39110S

    Committee/Subcommittee: F01.02

    DOI: 10.1520/STP39110S


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