Specifications:
| Substrate Materials | Germanium, Silicon | Dimensions | Customized |
| Thickness/Diameter Tolerance | +/-0.05mm | Surface Quality | 80/50 S/D |
| Parallelism | < 1 arc minute | Clear Aperture | >90% |
| Chamfer | <0.2x45degree | Coating | custom IR coating |
| Metallization Materials | Au, Ag or Cu (upon customer's request) |
Hangzhou Shalom EO provide following types of the packaging windows:
| Filtering Specifications of Packaging Windows | |
| AR coating on Ge substrate | T>94%@7-12μm |
| AR coating on Si substrate | T>88%@8-12μm |
| Long pass filtering coating on Ge substrate | T<1%@<7μm, Tavg>92%@8-12.5μm |
| Band pass filtering coating on Ge substrate | T<1%@<7.5μm, Tavg >90%@8-12μm T<1%@12.5μm |
| Broad band AR coating on Ge substrate | Tavg>92%@2-14μm |
Packaging windows is a key components for the FPA detectors of thermal imaging cameras, it contains both infrared filtering and welded packaging, Germanium (Ge) and Silicon (Si) are often used as the substrates materials. Several kinds of filtering coating is available: broad band AR coating, long-pass filtering coating, band pass filtering. The high quality metallic coating is made on the edge of the windows, the customization is available upon your request.
Curves:
1. Transmission of Ge Windows with AR@7-14 Micro
2. Transmission of Si Windows with AR@8-12 Micro
3.Transmission of Ge Windows with Band-pass Filtering Coating
