Vacuum ultraviolet transmission of aluminum fluoroberyllate glasses

Shigeru Fujino, Michael Muller, Kenji Morinaga

    Research output: Contribution to journalConference article

    1 Citation (Scopus)

    Abstract

    Vacuum ultraviolet (VUV) transmission spectra of aluminum fluoroberyllate glasses, MgF2-CaF2-SrF2-AlF3-BeF2 (MCSA-Be) and MgF2-CaF2-SrF2-AlF3-YF3-BeF2 (MCSAY-Be), were measured in a wavelength region from 130 to 240 nm. The influence of YF3 and BeF2 on the thermal stabilization against crystallization and VUV transmittance was investigated. With increasing the BeF2 content, crystallization tendencies decreased in the MCSA-Be and MCSAY-Be glasses. The MCSA-20Be glass composition exhibited the shortest wavelength of UV absorption edge (approximately 147 nm), and the highest transmittance at 157 nm (60% for 2 mm sample thickness). The transmittance at 157 nm and the slope (steepness) of the absorption edge were found to be significantly influenced by the trace amount of Fe2+.

    Original languageEnglish
    Pages (from-to)324-331
    Number of pages8
    JournalProceedings of SPIE - The International Society for Optical Engineering
    Volume4102
    DOIs
    Publication statusPublished - Dec 1 2000
    EventInorganic Optional Materials II - San Diego, CA, USA
    Duration: Aug 1 2000Aug 3 2000

    All Science Journal Classification (ASJC) codes

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Computer Science Applications
    • Applied Mathematics
    • Electrical and Electronic Engineering

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