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    • 4. 发明授权
    • Chalcogenide glass composition
    • 硫族化物玻璃组成
    • US07670972B2
    • 2010-03-02
    • US11977507
    • 2007-10-25
    • Jing ZhaoMaohe Li
    • Jing ZhaoMaohe Li
    • C03C3/32C03C13/04
    • C03C3/321C03C4/10
    • A chalcogenide glass composition composed of arsenic (As), selenium (Se), sulfur (S), and antimony (Sb) is presented. The composition includes arsenic in the range from 25% to 45% by weight relative to the total weight of the composition, selenium in the range from 40% to 65% by weight relative to the total weight of the composition, sulfur in the range from 2% to 15% by weight relative to the total weight of the composition, and antimony in the range from 0% to 15% by weight relative to the total weight of the composition. The variability of constituents on a weight basis is greater than the related arts, thus facilitating a broader range of design options. The glass composition is preferred to have a thermal expansion coefficient of about 23.6×10−6/° C., a temperature coefficient of refractive index less than about 1×10−6/° C., a glass transition temperature less than 200 degrees Celsius, and/or a glass softening temperature less than 250 degrees Celsius. The present invention has immediate applicability within infrared sensors, infrared imaging devices, lasers, and fiber optic components, one example being amplifiers.
    • 提出了由砷(As),硒(Se),硫(S)和锑(Sb)组成的硫族化物玻璃组合物。 该组合物包含相对于组合物的总重量的25重量%至45重量%的砷,相对于组合物的总重量,硒在40重量%至65重量%的范围内,硫的范围为 相对于组合物的总重量为2重量%至15重量%,锑的含量相对于组合物的总重量为0重量%至15重量%。 组分以重量为基础的变化大于现有技术,从而有助于更广泛的设计选择。 玻璃组成优选具有约23.6×10 -6 /℃的热膨胀系数,折射率的温度系数小于约1×10 -6 /℃,玻璃化转变温度低于200度 和/或玻璃软化温度低于250摄氏度。 本发明在红外传感器,红外成像装置,激光器和光纤部件中具有即时适用性,一个例子是放大器。