首页> 外国专利> USE OF GLASSES CONTAINING RARE EARTH OXIDE, ALUMINA, AND ZIRCONIA AND DOPANT IN OPTICAL WAVEGUIDES

USE OF GLASSES CONTAINING RARE EARTH OXIDE, ALUMINA, AND ZIRCONIA AND DOPANT IN OPTICAL WAVEGUIDES

机译:在光学波导中使用包含稀土氧化物,氧化铝,氧化锆和掺杂剂的玻璃

摘要

The invention provides optical waveguides comprising a glass doped with a rare earth dopant on a surface of the substrate, wherein the glass comprises (a) Al2O3, at least one of REO or Y2O3, and at least one of ZrO2 or HfO2, wherein at least 80 percent by weight of the glass collectively comprises the Al2O3, at least one of REO or Y2O3, and at least one of ZrO2 or HfO2, based on the total weight of the glass; (b) Al2O3, at least one of REO or Y2O3 and at least one of ZrO2 or HfO2, wherein at least 70 percent by weight of the glass collectively comprises the Al2O3, at least one of REO or Y2O3, and at least one of ZrO2 or HfO2, and wherein the glass contains not more than 20 percent by weight SiO2 and not more than 20 percent by weight B2O3, based on the total weight of the glass; or (c) at least 40 percent by weight Al2O3, based on the total weight of the glass, and a first metal oxide other than Al2O3, wherein the Al2O3 and the first metal oxide, collectively comprise at least 80 percent by weight of the glass.
机译:本发明提供了光波导,该光波导包括在衬底的表面上掺杂有稀土掺杂剂的玻璃,其中该玻璃包括(a)Al 2 O 3,REO或Y 2 O 3中的至少一种以及ZrO 2或HfO 2中的至少一种,其中至少基于玻璃的总重量,所述玻璃的80重量%共同包含Al 2 O 3,REO或Y 2 O 3中的至少一种以及ZrO 2或HfO 2中的至少一种。 (b)Al 2 O 3,REO或Y 2 O 3的至少一种和ZrO 2或HfO 2的至少一种,其中按重量计至少70%的玻璃共同包含Al 2 O 3,REO或Y 2 O 3的至少一种以及ZrO 2的至少一种或HfO 2,并且其中玻璃包含基于玻璃总重量的不超过20重量%的SiO 2和不超过20重量%的B 2 O 3;或HfO 2。或(c)以玻璃的总重量为基准计,至少40%的Al2O3和除Al2O3以外的第一金属氧化物,其中Al2O3和第一金属氧化物共同构成了至少80%的玻璃。

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