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Fast coatings for DWDM filters

    Research output: Contribution to specialist publicationArticle

    Abstract

    The improvement in the speed and yield of precision electron-beam vacuum-deposited optical filters was discussed using optical feedback and plasma assisted technology. The plasma deposition source neutralizes plasma space charges near the substrate edge to counteract film thickness variations. Nonplasma neutralization from changes in plasma voltage could lead to a variation in assist deposition. Film thickness uniformity enhancement and flexibility in system setup was achieved by mounting electron beam guns on a separate plinth.
    Original languageEnglish
    Pages114-116
    Number of pages3
    Volume35
    No.2
    Specialist publicationPhotonics Spectra
    Publication statusPublished - 2001

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