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Premium AR coated &  metallized Germanium windows

High-Transmittance & Perfect Hermetic performance optical germanium windows

Germanium window for infrared detector

Material: Germanium

Size: :21.56 x 21.56 x 1 mm

AR Coating:  Tavg > 95%

                        @ 8 ~ 14 um

                       

Metallization: Cr:50~70nm

                          Ni: 300 ~ 400nm

                          Au: 700 ~ 800nm

Surface quality:  MIL-PRF-13830B                                         60/40

Germaniu window for infrared detector

Material: Germanium

Size: :21.56 x 21.56 x 1 mm

AR Coating: Tavg >90.0%@ 8 ~14 um

                       Cut off before 7um

                            

Metallization: Cr:50~70nm

                          Ni: 300 ~ 400nm

                          Au: 700 ~ 800nm

Surface quality:  MIL-PRF-13830B                                         60/40

Germaniu window for infrared detector

Material: Germanium

Size: :28.5x25×1 mm

AR Coating:

2-8μm:Tavg≥40%       Tmin≥8%

8-12μm: Tavg≥96       Tmin≥93%

12--14μm: Tavg≥90% Tmin≥83%

Metallization: Cr: 50~70nm

                          Ni: 200~300nm

                          Au:400~500nm

Surface quality:  MIL-PRF-13830B                                         60/40

Germanium Filter

Material: Germanium

Size: :φ13x0.3 mm

AR Coating:  

T/T < 1 % @ 0.5 ~ 3.5 um

T/T < 5%  @ 3.5 ~ 3.55 um

T/T ≥ 88%  @ 3.8 ~ 4.5 um

Tavg ≥ 92%  @ 3.8 ~ 4.5 um

Tavg ≥93%  @ 4.5 ~ 4.9 um

T/T = 50%  @ 4.95 ~ 5.05 um

T/T < 5% @ 5.2 ~5.3 um

T/T < 1% @ 5.3 ~ 6.5 um

Surface quality:  MIL-PRF-13830B                                         60/40

UV Quarts
uv quarts optical window

Material: Ultra-Violet Quartz

Size: :6.5x6.5×0.5 mm

AR Coating:

Tavg>95%@330~350nm

Metallization: Cr: 70~100nm

                          Ni: 300~400nm

                          Au: 200nm

Surface quality:  MIL-PRF-13830B                                         60/40

Silicon Window
Silicon windows

Material: Silicon

Size: :φ18x1.0 mm

AR Coating:  

Tmin≥95% @3 ~ 5 um

Tavg≥98% @ 3 ~ 5 um

Metallization: Cr: 50~70nm

                          Ni ≥ 0.1μm  

                          Au ≥ 0.2μm

Surface quality:  MIL-PRF-13830B                                         60/40

Applications of the germanium windows 

Germanium windows possess several key properties that make them highly valuable in various applications. It has excellent transparency in the infrared(IR) spectrum, like mid wave infrared(MWIR) and long-wave infrared(LWIR). Germanium windows also has high refractive index in the IR range, high thermal conductivity, broad spectral range, low optical dispersion, hard and mechanically stable material and also chemical stability.

In aerospace and defense, germanium windows are used in thermal imaging, missile guidance, targeting systems, surveillance cameras, and infrared countermeasures.

In imaging and optics, they play a crucial role in infrared cameras, thermal imaging devices, spectrometers, IR microscopy, and remote sensing.

In research and scientific instruments, germanium windows are indispensable for infrared spectroscopy, gas analysis, environmental monitoring, and material characterization.

For industrial inspection, they enable infrared thermal imaging, non-contact temperature measurement, quality control, and process monitoring.

In the medical and healthcare sectors, germanium windows are used for non-contact temperature measurement, thermal imaging, and infrared spectroscopy.

In energy and renewable technologies, they contribute to concentrated solar power systems and multijunction solar cells.

Germanium windows are crucial in environmental monitoring, facilitating gas sensing, pollution detection, and atmospheric analysis.

In telecommunications, they are used in photodetectors for fiber optic networks, ensuring efficient data transmission.

 

The versatility of germanium windows underscores their invaluable contributions to technological advancements in various industries.

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