STP1015

    Investigation of Metal Coatings for the Free Electron Laser

    Published: Jan 1988


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    Abstract

    We are investigating the deposition and characteristics of metal coatings for use in environments such as the Free Electron Laser where the radiation resistance of metal coatings could prove to be of great benefit. We have concentrated our initial efforts on silver laminate coatings due to the high reflectance of silver at 1 micron wavelength. Our initial laminate coatings have utilized thin layers of titanium oxide to break up the columnar structure of the silver during electron-beam deposition on fused silica substrates. Our initial results on equal coating thickness samples indicate an improvement in damage threshold that ranges from 1.07 to 1.71 at 351 nm.

    Keywords:

    metal coatings, silver coatings, coating structure, laminate coatings, laser damage


    Author Information:

    Scott, ML
    Los Alamos National Laboratory, Los Alamos, NM

    Arendt, PN
    Los Alamos National Laboratory, Los Alamos, NM

    Springer, RW
    Los Alamos National Laboratory, Los Alamos, NM

    Cordi, RC
    Los Alamos National Laboratory, Los Alamos, NM

    McCreary, WJ
    Los Alamos National Laboratory, Los Alamos, NM


    Paper ID: STP18783S

    Committee/Subcommittee: F01.11

    DOI: 10.1520/STP18783S


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