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    STP1038

    Solubility of Pt in Nd Phosphate Laser Glass

    Published: 0


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    Abstract

    Solubility of Pt was measured in order to make Pt inclusion free laser glass. Pt solubility increased with decreasing temperature. The solubilities were measured in the atmosphere of O2, air and N2 and decreased in the order of O2 > air > N2. The Pt solubility of phosphate glass was higher than that of silicate glass and decreased in the order of LHG-5 > LHG-8 > HAP-3 > LHG-10 > LSG-91H. Pt deposition mechanism is considered that Pt dissolve into the melt in ionic state but some of them are easily reduced to atomic state and deposited as metallic inclusions due to supersaturation.

    Keywords:

    Solubility, platinum, atmosphere, temperature, glass composition, laser damage, Pt deposition mechanism, reactive atmosphere processing


    Author Information:

    Izumitani, T
    Research & Development Center, HOYA CORPORATION, Tokyo,

    Matsukawa, M
    Research & Development Center, HOYA CORPORATION, Tokyo,

    Miyade, H
    Research & Development Center, HOYA CORPORATION, Tokyo,


    Committee/Subcommittee: F01.10

    DOI: 10.1520/STP24400S