Ultraviolet photon-induced absorption bands and paramagnetic centers in Ge and Sn co-doped SiO2 glass

Tetsuya Nakanishi, Makoto Fujimaki, Shin Ichiro Tokuhiro, Ken Ichi Nomura, Yoshimichi Ohki, Kazuo Imamura

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    Germanium and Sn co-doped SiO2 glass, a material for photosensitive optical fiber core that can be used for fabrication of optical fiber gratings, was exposed to photons from a KrF excimer laser (5.0 eV) or a XeCl lamp (4.0 eV). The photo-induced paramagnetic centers and optical properties of the glass have been examined with electron spin resonance and absorption measurements. Precursors of the paramagnetic centers are also discussed.

    Original languageEnglish
    Pages (from-to)87-94
    Number of pages8
    JournalJournal of Non-Crystalline Solids
    Issue number1-2
    Publication statusPublished - 2003 Apr 1


    ASJC Scopus subject areas

    • Ceramics and Composites
    • Electronic, Optical and Magnetic Materials

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