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TECHSPEC®锗窗口片现货供应，提供三种抗反射镀膜规格选项：3 - 5μm专用于中红外应用，3 - 12μm适用于宽带多光谱应用，8 - 12μm则针对热成像应用。鉴于锗在2 - 14μm范围内的高折射率（约4.0），建议在这些锗窗口片上使用增透镀膜，以确保目标波段内的透射性能。锗存在热失控现象，即透射率会随温度升高而下降。因此，TECHSPEC®锗窗口片的使用温度应控制在100°C以下。在设计对重量敏感的系统时，锗的高密度（5.33 g/cm³）亦需纳入考量。锗材料的Knoop硬度（780）约为氟化镁材料的两倍，使其成为需坚固光学元件的红外应用的理想之选。
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Typical transmission of a 3mm thick Ge window with BBAR (3000-5000nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: Ravg <3% @ 3000 - 5000nm Data outside this range is not guaranteed and is for reference only. |
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Typical transmission of a 3mm thick Ge window with BBAR (3000-12000nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: Ravg <5.0% @ 3 - 12μm Data outside this range is not guaranteed and is for reference only. |
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Typical transmission of a 3mm thick Ge window with BBAR (8000-12000nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: Ravg <3.0% @ 8 - 12μm Data outside this range is not guaranteed and is for reference only. |
锗光学元件需要特殊的处理和清洁程序。搬运过程中务必戴上手套，以防污染，然后洗手。避免锗灰尘与眼睛，皮肤或衣服接触。不使用时，将光学元件密封存放在20°C至25°C的温度下。使用时，请勿将光学元件暴露在超过100°C的温度下。
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