| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel material usable as a solid laser medium expected to have higher output. SOLUTION: The glass composition contains each component of SiO<SB>2</SB>, ZnO, La<SB>2</SB>O<SB>3</SB>, Sb<SB>2</SB>O<SB>3</SB>, Nb<SB>2</SB>O<SB>5</SB>and Yb<SB>2</SB>O<SB>3</SB>or the like, wherein the content of the Yb<SB>2</SB>O<SB>3</SB>component is 1-40 mass%, the ratio (SiO<SB>2</SB>+MgO+CaO)/Yb<SB>2</SB>O<SB>3</SB>by mass is 0.5-25 and the refractive index (nd) is 1.70-1.82 and the average linear expansion coefficient (α) at 100-300°C is 50-80×10<SP>-7</SP>/°C. COPYRIGHT: (C)2006,JPO&NCIPI
|
