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| 代稀土无Pb高折射率光学玻璃（TiF700／350）的研究 | |
| 引用本文： | 吴爱英,沈菊云,沈奇咏. 代稀土无Pb高折射率光学玻璃（TiF700／350）的研究[J]. 材料研究学报, 1995, 9(6): 543-546 |
| 作者姓名： | 吴爱英 沈菊云 沈奇咏 |
| 作者单位： | 中国科学院上海硅酸盐研究所 |
| 摘 要： | 研究了实用的ＢａＯ－ＴｉＯ２－ＳｉＯ２系代稀土无铅光学玻璃，运用玻璃物理性质的计算方法来拟合玻璃组织，并讨论了可形成稳定玻璃的组成范围，这种玻璃具有高折射率（ｎｄ＝１．７０），低密度（ｐ＝３．０３）与适中的色散系数（Ｖ＝３５），适于实用，Ａｌ２Ｏ３及ＭｇＯ的存在使该系统析晶倾向增大。 |
| 关 键 词： | 稀土 高折射率 光学玻璃 |
| 收稿时间： | 1995-12-25 |
| 修稿时间： | 1995-12-25 |
STUDY OF OPTICAL GLASS WITH HIGH REFRACTIVE INDEX FREE OF REAR EARTH OXIDE AND LEAD OXIDE |
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| WU Aiying,SHEN Juyun,SHEN Qiyong. STUDY OF OPTICAL GLASS WITH HIGH REFRACTIVE INDEX FREE OF REAR EARTH OXIDE AND LEAD OXIDE[J]. Chinese Journal of Materials Research, 1995, 9(6): 543-546 | |
| Authors: | WU Aiying SHEN Juyun SHEN Qiyong |
| Affiliation: | WU Aiying,SHEN Juyun,SHEN Qiyong(Shanghai institute of Ceramics,Chinese Acadeng of Sciences)(Correspondent:WU Aiying,Shanhai Instiute of Ceramics,Chinese Academy of Sciences,Shanshai ) |
| Abstract: | The purpose of this work is to study BaO-TiO2-SiO2 optical glass with suitable for pratical use free of rear earth oxide. By using calculating system of glass physics property,the glass composition were designed,and the composition range for forming suitable glass was discussed.This kind of glass with high refractive index(nd=1.70)low density (p=3.03)and suitable dispersion(v=35)has practical value.The comprehensive influences of glass composition on index of refractive and dispersion and density were discussed.The crystallization, decolorization and spetrum of glass were studied.It is believed that the existing of Al2O3 and MgO will increase the crystallization tendency of glass. The crystalline phases of glass were also studied. The possible coloration mechanism of this glass system has been postulated according to the experiment resaults. |
| Keywords: | free of rare element oxide high refractive index optical glass |
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