| 供货周期： | 两周 |
| 品牌： | 爱特蒙特 |
| 货号： | 25-550 |
• 提供 3 - 5, 3 – 12 以及 8 - 12µm 的镀膜和无镀膜选项
• 低色散带来低色差
• 适合于防御、安全及热成像等应用
• 另有其它常见基底材料的 红外透镜 可选
• 由于锗的原材料供应链中断，我们的锗材料产品交付周期可能会延长，价格也可能会发生变化。如需了解更多信息，请向我们进行咨询。
通用规格
基底 | Germanium (Ge) |
表面质量 | 60-40 |
中心偏（弧分） | <3 |
倒角 | Protective bevel as needed |
产品描述
TECHSPEC® 锗 (Ge) 平凸透镜 (PCX) 采用精密金刚石车削基片，可提供无镀膜或 3 - 12µm 的各种宽带增透镀膜选项。锗(Ge)具有化学惰性、不溶于水、努氏硬度为 780，这些特点使其非常适合需要坚固光学元件的国防、安防以及热成像应用。不过锗会出现热失控，因此应在低于 100°C 的温度下使用以确保最佳透过效果。TECHSPEC® 锗 (Ge) 平凸透镜 (PCX)直径为 12.5、25 和 50 毫米。锗的折射率很高（4.003），在没有增透镀膜的情况下会产生很大的菲涅尔反射损耗。TECHSPEC®锗（Ge）平凸透镜可提供无镀膜或多种宽带增透镀膜（BBAR），以增强在中波红外（MWIR）和长波红外（LWIR）的透过能力。
有关锗特性的更多信息，请查看我们的以下选型指南 红外（IR）应用的正确材料.
锗因其高折射率、较大的透射距离范围和坚固的机械性能而广泛应用。锗的透射范围为 2 - 16 μm 且在可见光谱区是不透明的，因此十分适合于红外激光器应用。但是，锗会发生热逸散现象，即随着温度的升高，透射率会降低；事实上，锗在 100°C 的温度下几乎是不透明的，在 200°C 的温度下则完全没有透射性。当设计用于重量敏感系统的设备时，应考虑到锗的高密度 (5.33 g/cm3) 特性。锗的努氏硬度 (780) 大约是氟化镁的两倍，这一特点使其成为要求有坚固光学器件的红外线应用理想之选。锗不会与空气、水、碱金属和酸（硝酸除外）发生反应。
技术数据
AR COATED GERMANIUM | |
| 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. Click Here to Download Data |
| 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. Click Here to Download Data |
| 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. Click Here to Download Data |
订购信息
Dia. (mm) | EFL (mm) | BFL (mm) | 涂层 | 基底 | 产品编码 |
12.50 +0.0/-0.1 | 12.50 @ 10.6µm | 12.11 | Uncoated | Germanium (Ge) | 25-550 |
12.50 +0.0/-0.1 | 12.50 @ 10.6µm | 12.11 | BBAR (3000-12000nm) | Germanium (Ge) | 25-562 |
12.50 +0.0/-0.1 | 15.00 @ 10.6µm | 14.63 | Uncoated | Germanium (Ge) | 25-551 |
12.50 +0.0/-0.1 | 15.00 @ 10.6µm | 14.63 | BBAR (3000-12000nm) | Germanium (Ge) | 25-563 |
12.50 +0.0/-0.1 | 20.00 @ 10.6µm | 19.65 | Uncoated | Germanium (Ge) | 25-552 |
12.50 +0.0/-0.1 | 20.00 @ 10.6µm | 19.65 | BBAR (3000-12000nm) | Germanium (Ge) | 25-564 |
12.50 +0.0/-0.1 | 25.00 @ 10.6µm | 24.68 | Uncoated | Germanium (Ge) | 25-553 |
12.50 +0.0/-0.1 | 25.00 @ 10.6µm | 24.68 | BBAR (3000-12000nm) | Germanium (Ge) | 25-565 |
12.50 +0.0/-0.1 | 37.50 @ 10.6µm | 37.20 | Uncoated | Germanium (Ge) | 25-554 |
12.50 +0.0/-0.1 | 37.50 @ 10.6µm | 37.20 | BBAR (3000-12000nm) | Germanium (Ge) | 25-566 |
12.50 +0.0/-0.1 | 50.00 @ 10.6µm | 49.70 | Uncoated | Germanium (Ge) | 25-555 |
12.50 +0.0/-0.1 | 50.00 @ 10.6µm | 49.70 | BBAR (3000-12000nm) | Germanium (Ge) | 25-567 |
25.00 +0.0/-0.1 | 25.00 @ 10.6µm | 24.25 | Uncoated | Germanium (Ge) | 69-637 |
25.00 +0.0/-0.1 | 25.00 @ 10.6µm | 24.25 | BBAR (3000-5000nm) | Germanium (Ge) | 69-649 |
25.00 +0.0/-0.1 | 25.00 @ 10.6µm | 24.25 | BBAR (3000-12000nm) | Germanium (Ge) | 87-943 |
25.00 +0.0/-0.1 | 25.00 @ 10.6µm | 24.25 | BBAR (8000-12000nm) | Germanium (Ge) | 69-661 |
25.00 +0.0/-0.1 | 30.00 @ 10.6µm | 29.25 | Uncoated | Germanium (Ge) | 69-638 |
25.00 +0.0/-0.1 | 30.00 @ 10.6µm | 29.25 | BBAR (3000-5000nm) | Germanium (Ge) | 69-650 |
25.00 +0.0/-0.1 | 30.00 @ 10.6µm | 29.25 | BBAR (3000-12000nm) | Germanium (Ge) | 87-944 |
25.00 +0.0/-0.1 | 30.00 @ 10.6µm | 29.25 | BBAR (8000-12000nm) | Germanium (Ge) | 69-662 |
25.00 +0.0/-0.1 | 35.00 @ 10.6µm | 34.25 | Uncoated | Germanium (Ge) | 69-639 |
25.00 +0.0/-0.1 | 35.00 @ 10.6µm | 34.25 | BBAR (3000-5000nm) | Germanium (Ge) | 69-651 |
25.00 +0.0/-0.1 | 35.00 @ 10.6µm | 34.25 | BBAR (3000-12000nm) | Germanium (Ge) | 87-945 |
25.00 +0.0/-0.1 | 35.00 @ 10.6µm | 34.25 | BBAR (8000-12000nm) | Germanium (Ge) | 69-663 |
25.00 +0.0/-0.1 | 40.00 @ 10.6µm | 39.25 | Uncoated | Germanium (Ge) | 69-640 |
25.00 +0.0/-0.1 | 40.00 @ 10.6µm | 39.25 | BBAR (3000-5000nm) | Germanium (Ge) | 69-652 |
25.00 +0.0/-0.1 | 40.00 @ 10.6µm | 39.25 | BBAR (3000-12000nm) | Germanium (Ge) | 87-946 |
25.00 +0.0/-0.1 | 40.00 @ 10.6µm | 39.25 | BBAR (8000-12000nm) | Germanium (Ge) | 69-664 |
25.00 +0.0/-0.1 | 50.00 @ 10.6µm | 49.25 | Uncoated | Germanium (Ge) | 69-641 |
25.00 +0.0/-0.1 | 50.00 @ 10.6µm | 49.25 | BBAR (3000-5000nm) | Germanium (Ge) | 69-653 |
25.00 +0.0/-0.1 | 50.00 @ 10.6µm | 49.25 | BBAR (3000-12000nm) | Germanium (Ge) | 87-947 |
25.00 +0.0/-0.1 | 50.00 @ 10.6µm | 49.25 | BBAR (8000-12000nm) | Germanium (Ge) | 69-665 |
25.00 +0.0/-0.1 | 75.00 @ 10.6µm | 74.25 | Uncoated | Germanium (Ge) | 69-642 |
25.00 +0.0/-0.1 | 75.00 @ 10.6µm | 75.25 | BBAR (3000-5000nm) | Germanium (Ge) | 69-654 |
25.00 +0.0/-0.1 | 75.00 @ 10.6µm | 75.25 | BBAR (3000-12000nm) | Germanium (Ge) | 87-948 |
25.00 +0.0/-0.1 | 75.00 @ 10.6µm | 75.25 | BBAR (8000-12000nm) | Germanium (Ge) | 69-666 |
25.00 +0.0/-0.1 | 100.00 @ 10.6µm | 99.25 | Uncoated | Germanium (Ge) | 69-643 |
25.00 +0.0/-0.1 | 100.00 @ 10.6µm | 99.25 | BBAR (3000-5000nm) | Germanium (Ge) | 69-655 |
25.00 +0.0/-0.1 | 100.00 @ 10.6µm | 99.25 | BBAR (3000-12000nm) | Germanium (Ge) | 87-949 |
25.00 +0.0/-0.1 | 100.00 @ 10.6µm | 99.25 | BBAR (8000-12000nm) | Germanium (Ge) | 69-667 |
25.00 +0.0/-0.1 | 150.00 @ 10.6µm | 149.25 | Uncoated | Germanium (Ge) | 69-644 |
25.00 +0.0/-0.1 | 150.00 @ 10.6µm | 149.25 | BBAR (3000-12000nm) | Germanium (Ge) | 87-950 |
25.00 +0.0/-0.1 | 150.00 @ 10.6µm | 149.25 | BBAR (8000-12000nm) | Germanium (Ge) | 69-668 |
25.00 +0.0/-0.1 | 250.00 @ 10.6µm | 249.25 | Uncoated | Germanium (Ge) | 69-645 |
25.00 +0.0/-0.1 | 250.00 @ 10.6µm | 249.25 | BBAR (3000-5000nm) | Germanium (Ge) | 69-657 |
25.00 +0.0/-0.1 | 250.00 @ 10.6µm | 249.25 | BBAR (3000-12000nm) | Germanium (Ge) | 87-951 |
50.00 +0.0/-0.1 | 50.00 @ 10.6µm | 48.76 | Uncoated | Germanium (Ge) | 69-646 |
50.00 +0.0/-0.1 | 50.00 @ 10.6µm | 48.76 | BBAR (3000-5000nm) | Germanium (Ge) | 69-658 |
50.00 +0.0/-0.1 | 50.00 @ 10.6µm | 48.76 | BBAR (3000-12000nm) | Germanium (Ge) | 87-952 |
50.00 +0.0/-0.1 | 50.00 @ 10.6µm | 48.76 | BBAR (8000-12000nm) | Germanium (Ge) | 69-670 |
50.00 +0.0/-0.1 | 75.00 @ 10.6µm | 74.00 | Uncoated | Germanium (Ge) | 69-647 |
50.00 +0.0/-0.1 | 75.00 @ 10.6µm | 74.00 | BBAR (3000-5000nm) | Germanium (Ge) | 69-659 |
50.00 +0.0/-0.1 | 75.00 @ 10.6µm | 74.00 | BBAR (8000-12000nm) | Germanium (Ge) | 69-671 |
50.00 +0.0/-0.1 | 100.00 @ 10.6µm | 99.00 | Uncoated | Germanium (Ge) | 69-648 |
50.00 +0.0/-0.1 | 100.00 @ 10.6µm | 99.00 | BBAR (3000-12000nm) | Germanium (Ge) | 87-954 |
50.00 +0.0/-0.1 | 100.00 @ 10.6µm | 99.00 | BBAR (8000-12000nm) | Germanium (Ge) | 69-672 |
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