Tm3+含有結晶化ガラスのアップコンバージョン特性と光散乱 Upconversion property and light scattering in Tm(3+)-doped glass-ceramics

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抄録

Glass-ceramics containing Pb(x)Cd(1-x)F(2) microcrystallites were prepared through heat treatment of Tm(3+)/Yb(3+)doped SiO(2)-Al(2)O(3)-PbF(2) glasses. The crystallite size was controlled by varying the heat-treatment time. By changing glass composition, two types of strong optical scattering, Rayleigh and Mie scattering modes were observed for the glass ceramics. In the case of Rayleigh scattering, the scattering region expanded to the long-wavelength side with increasing the heat-treatment time. On the other hand, in the case of Mie scattering, the region were hardly dependent on wavelength, and visible light was widely scattered. It was argued that the different scattering phenomena were caused by the different size of the crystallites or their morphogical texture. Furthermore, the glass-ceramics with strong optical scattering showed higher upconversion fluorescence intensity than the matrix glass. The mechanisms for the enhanced upconversion due to the scattering were discussed.

収録刊行物

  • 岡山大学環境理工学部研究報告

    岡山大学環境理工学部研究報告 7(1), 119-125, 2002-03

    岡山大学環境理工学部

各種コード

  • NII論文ID(NAID)
    120002313480
  • NII書誌ID(NCID)
    AN10529213
  • 本文言語コード
    JPN
  • 資料種別
    departmental bulletin paper
  • 雑誌種別
    大学紀要
  • ISSN
    13419099
  • NDL 記事登録ID
    6237032
  • NDL 雑誌分類
    ZV1(一般学術誌--一般学術誌・大学紀要)
  • NDL 請求記号
    Z22-B196
  • データ提供元
    NDL  IR 
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