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1. 发明授权

US06313947B1 Light polarizing glass containing copper particles and process for preparation thereof 失效
标题翻译：含有铜颗粒的轻偏光玻璃及其制备方法
公开(公告)号：US06313947B1
公开(公告)日：2001-11-06
申请号：US09274469
申请日：1999-03-23
申请人： Takeshi Takahashi , Tajima Hidemi , Hiroshi Kato , Hisayoshi Toratani
发明人： Takeshi Takahashi , Tajima Hidemi , Hiroshi Kato , Hisayoshi Toratani
IPC分类号： G02B2728
CPC分类号： G02B5/3025 , C03C3/11 , C03C3/118
摘要： A light polarizing glass article comprising a base glass and metallic copper particles dispersed in said base glass wherein said metallic copper particles have aspect ratios in the range of from about 2:1 to 15:1 and said base glass is selected from the group consisting of silicate, borosilicate, borate and phosphate glasses which contain at least one reductant element. The article is prepared by heating a batch of glass containing copper and halogen containing constituents to develop copper halide particles in the glass, elongating said glass containing copper halide particles at a temperature where said glass exhibits a viscosity of from 1×108 to 1×1011 poises, and reducing at least a portion of the copper halide particles in the elongated glass to produce metallic copper particles therein. An optical isolator employing the above light polarizing glass articles is also provided.
摘要翻译：一种偏光玻璃制品，包括基底玻璃和分散在所述基底玻璃中的金属铜颗粒，其中所述金属铜颗粒的纵横比在约2:1至15:1的范围内，所述基底玻璃选自硅酸盐，硼硅酸盐，硼酸盐和含有至少一种还原元素的磷酸盐玻璃。该制品通过加热一批含铜和含卤素成分的玻璃来制备玻璃中的卤化铜颗粒，在所述玻璃的粘度为1×10 8至1×10 11泊的温度下拉伸所述含有卤化铜的玻璃颗粒，并且还原在细长玻璃中的至少一部分卤化铜颗粒在其中产生金属铜颗粒。还提供了采用上述光偏振玻璃制品的光隔离器。

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