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    Highly Damage Resistant Porous Dielectric Coating for High Power Lasers in the Ultraviolet to Near-infrared Wavelength Region

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    Mechanically hard and broadband gradient refractive index artireflection coating was developed. It has a high damage threshold of >6 J/cm2 at 355 nm and 12–13 J/cm2 in the visible to near-infrared region. It will be applicable to high power pulsed lasers as well as to industrial uses.


    gradient refractive index, porous dielectric AR coating, damage threshold, quartz, mixed thin film, surface roughness

    Author Information:

    Yoshida, K
    Osaka University, Osaka,

    Yoshida, H
    Osaka University, Osaka,

    Kato, Y
    Osaka University, Osaka,

    Yamanaka, C
    Osaka University, Osaka,

    Committee/Subcommittee: F01.19

    DOI: 10.1520/STP18769S