STP1117

    Laser Induced Damage in Schott's OG-550 Optical Absorption Glass

    Published: Jan 1990


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    Abstract

    Single and multiple shot laser induced damage threshold (LIDT) values were determined for Schott's OG-550 optical absorption glass using Q-switched 532 nm laser radiation. Bulk discoloration occurred for a single shot LIDT of 55 mJ/cm2 while surface pitting resulted at a single shot LIDT of 5.6 J/cm2. Multiple shot LIDTs were determined at 10, 5, and 2 Hz. For all three repetition rates, the multiple shot LIDTs decreased exponentially from the single shot LIDT, and level off at 35% of that value.

    Keywords:

    laser induced damage threshold (LIDT), single shot (SS), multiple shot (MS), surface pitting, bulk discoloration


    Author Information:

    Whittaker, T
    U.S. Army Tank-Automotive Command Attn: AMSTA-RSC, Warren, MI

    Goedert, R
    U.S. Army Tank-Automotive Command Attn: AMSTA-RSC, Warren, MI

    Templeton, D
    U.S. Army Tank-Automotive Command Attn: AMSTA-RSC, Warren, MI


    Paper ID: STP26478S

    Committee/Subcommittee: E13.15

    DOI: 10.1520/STP26478S


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