Laser-induced line patterning of nonlinear optical β'-Sm[x]Gd[2-x](MoO4)3 molybdate crystals in glass (特集 光機能材料) Laser-Induced Line Patterning of Nonlinear Optical β'-Sm_xGd_<2-x>(MoO_4)_3 Molybdate Crystals in Glass

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Glasses in the system of Sm<SUB>2</SUB>O<SUB>3</SUB>-Gd<SUB>2</SUB>O<SUB>3</SUB>-MoO<SUB>3</SUB>-B<SUB>2</SUB>O<SUB>3</SUB>-BaO are prepared, and structural changes are induced by irradiations of continuous wave Nd: YAG laser with a wavelength of λ=1064 nm. The optical absorption coefficient of Sm<SUP>3+</SUP> ions at λ=1064 nm in the glasses is found to increase linearly with increasing Sm<SUB>2</SUB>O<SUB>3</SUB> contents, and it is clarified that the Sm<SUB>2</SUB>O<SUB>3</SUB> content in the glasses must be at least more than 6 mol% in order to induce crystallization under laser irradiations with powers less than <I>P</I>=1 W. The lines patterned by laser irradiations with <I>P</I>=0.8 W and a scanning speed of <I>S</I>=2.5 μm/s consist of a mixture of paraelectric α-Sm<SUB>x</SUB>Gd<SUB>2-x</SUB>(MoO<SUB>4</SUB>)<SUB>3</SUB> and nonlinear optical β'-Sm<SUB>x</SUB>Gd<SUB>2-x</SUB>(MoO<SUB>4</SUB>)<SUB>3</SUB> crystals. The formation of only β'-Sm<SUB>x</SUB>Gd<SUB>2-x</SUB>(MoO<SUB>4</SUB>)<SUB>3</SUB> crystals is confirmed in the lines patterned at <I>P</I>=0.83 W. Although the addition of BaO increases largely the thermal stability against crystallization, the line patterning behavior is not affected significantly at least in the present laser irradiation conditions.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 55(3), 205-210, 2008-03-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10021172933
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    ENG
  • 資料種別
    REV
  • ISSN
    05328799
  • NDL 記事登録ID
    9436693
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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