Standard Germanium Windows/ Optical Ge window:
Germanium(Ge) Windows for thermal imagin
Germanium windows are ideal for IR applications with its broad transmission range and opacity in the visible portion of the spectrum.
Germanium has a high index of refraction, making it a perfect choice for applications that require low dispersion.
Germanium is commonly used in IR imaging systems typically operating in the 2 µm to 12 µm spectral range, covers the LWIR (8-12μm) and MWIR (3-5μm) thermal imaging wavelength range.
Germanium can be AR coated with Diamond producing an extremely tough front optic.
Germanium is more rugged than other IR materials, but caution should be taken for high temperature applications where the material will become opaque in the IR realm as the temperature rises.
Diameter Tolerance
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+0/-0.1 mm
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Thickness Tolerance
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±0.1 mm
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Clear Aperture
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>90% Diameter
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Parallelism
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≤5 arcsec
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Surface Flatness
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λ/10 over CA
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Substrate
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Germanium
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Surface Quality
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20-10 Scratch-Dig
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a: Dimesion size : 5-300mm , thickness up to customer requirements
b: Many material could be choosed, like BK7, Fused Silica, Sapphire, MgF2, CaF2, Ge, Si, Znse, ZnS and so on.
c: AR HR DLC coating or as your request
Packing Details: First layer Tissue paper, then Protective film or Capacitor paper, Pearl cotton, Cardboard box.
Delivery Details: 7 days for stock.
3-4 weeks for custom-made products for sample.
in common, 4 weeks for mass production
Are you factory or trader?
We're factory, engaged in optics manufacturing for over 10 years.
How to pay?
We usually draft Trade Assurance Order on Alibaba, you can pay by the most convenient way which also protect your rights.
What's the deliver time?
For inventory: the delivery time is around 5 workdays.
Customized products: the delivery time is 10 to 30 workdays, according to the quantity and precision.
How to ensure the safety of payment?
Our company is the gold supplier and supports Alibaba Trade Assurance. Payment<=5000USD, 100% in advance. Payment>5000USD, 50% T/T in advance, balance before shippment.
Can I customize the products based on my need?
Sure, we can customize all optical components based on your uique needs.
How do you ship goods?
Typically FedEx, UPS, DHL, TNT, EMS or upon request.
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