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1000nm-5100nm IR Silicon Anti-reflective Coatings Filters
1000nm-5000nm ir silicon anti-reflective coatings filters is designed to transmit light 1000nm to 5000nm. Coligh manufactures various IR optical filters.
- Broadband anti-reflective coating on 1000-5100nm
- Substrate: Silicon
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Broadband IR Silicon Anti-Reflection Filter for 1–5.1 Micron Range Description
1000nm-5000nm IR Silicon Anti-reflective Coatings Filters is an IR high performance optical filter design for NIR to Middle wavelength Infared. Based on silicon substrate, Coligh combines multi-layer dielectric anti-reflection (AR) coating technology and precisely designs multi-layer film systems to meet the requirements of high precision and high stability in mid- and far-infrared.
- Covering the 1-5μm key infrared band, wide-band high-efficiency tendon reflection, suitable for silicon-based detectors, infrared lenses, windows and other components
- The transmittance is greater than or equal to 90% in the range of 1000-5000nm, covering short-wave infrared (SWIR) to medium-wave infrared (MWIR) and far infrared, reducing energy loss.
1000nm-5100nm IR Silicon Anti-reflective Coatings Filters Datasheet
| Parameter | Specification |
| Substrate Material | Silicon |
| Wavelength Range | 1000-5100nm (SWIR-MWIR-FIR） |
| Coating Type | Anti-Reflective (AR) |
| Average Transmittance | ≥ 90% (within 1000-5000nm range) |
| Surface Quality | 60-40, 40-20 |
| Coating Method | Ion-assisted deposition / Electron-beam evaporation |
| Custom Options | Available upon request (wavelength tuning, dual-side) |
1000nm-5100nm IR Silicon Anti-reflective Coatings Filters Applications
- Infrared spectroscopy analysis
In the mid-infrared band, especially the 2-5μm band, many organic substances and gases have characteristic absorption peaks, which is an important band for material composition analysis. This filter can effectively transmit infrared light of 1000nm-5000nm, while reducing surface reflection and improving the incident light efficiency of the detector. This can improve the sensitivity of spectral analysis and enhance signal quality. - Thermal imaging
Industrial inspection, fire rescue, medical testing and other fields often use 3-5 μm windows to capture object thermal radiation. This filter can efficiently transmit the target thermal radiation band while blocking visible and near-infrared light and reducing background stray light. - Infrared laser system
Medical beauty laser Er:YAG 2.94 μm, gas measurement and material processing CO, CO₂ 5.0 μm and other lasers need to maintain energy purity at specific wavelengths to prevent power loss and unnecessary reflection loops. This filter can accurately transmit the laser working wavelength and suppress side lobes and stray light.
