Infrared Band Pass Filter
The neutral wavelength of the far-infrared bandpass filter produced by GiAi is generally in the range of 2.0μm~25μm, using silicon, germanium, sapphire, magnesium fluoride, and calcium fluoride as the substrate coating. The peak value of the filter can reach more than 75%.
The product has a deep cut-off rate and a steep cut-off band, and can be customized according to customer requirements.
Application: Products are mainly used in infrared measurement, infrared thermometer, infrared thermal imager, gas detector.
Product Code:GA-IRBP
Specification
Process method | Vacuum coating |
Substrate | Silicon, germanium, magnesium fluoride, calcium fluoride, sapphire |
Working band | 1.8~9.5μm, 2.5~25μm |
Bandwidth | 1-10μm |
Peak transmission | T>75% |
Clear aperture | Coating coverage is greater than 95% effective area |
Surface finish | US military standard 40-20 (scratches/pits) |
Environmental test | MIL-STD-810F |
Tags: Infrared Filters