| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a glass for laser, which has a high refractive index and is excellent in emission property and machine characteristic. <P>SOLUTION: The glass for laser contains, indicated by mol% on the following oxide basis, P<SB>2</SB>O<SB>5</SB>of 50-65%, Al<SB>2</SB>O<SB>3</SB>of 5-20%, B<SB>2</SB>O<SB>3</SB>of 1-10%, Li<SB>2</SB>O of 0-10%, Na<SB>2</SB>O of 0-10%, K<SB>2</SB>O of 5-20%, MgO of 0-10%, CaO of 0-10%, SrO of 0-10%, Nb<SB>2</SB>O<SB>5</SB>of 2-15%, Yb<SB>2</SB>O<SB>3</SB>of 0.1-10%, and La<SB>2</SB>O<SB>3</SB>of 0-10%. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
