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国君电子|碳化硅成本快速下降,打开光波导应用市场
本文转载自微信公众号:国泰君安证券研究碳化硅光学和热学性能优异,契合AR眼镜衍射光波导。碳化硅相较于玻璃、树脂等其他材料具备以下优点:(1)高折射率。碳化硅的折射率可以达到2.6-2.7,而玻璃可以实现的最高折射率约为2.0。高折射率能够更好的约束光线,减少光能损失,同时提供更广的FOV(视场角);(2)高热导率。
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