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Our narrowband optical filters are designed to suppress unwanted light sources, sensors, and natural light, isolating a specific monochromatic spectrum. These filters offer exceptional performance for applications requiring precise wavelength selection.
| Application | CWL | Tp | FWHM |
|---|---|---|---|
| Semiconductor package | 635nm | 635±5nm@T>90% | 35±5nm |
| Laser rangefinder | 905nm | 905±5nm@T>90% | 20nm |
| Barcode scanning | 650nm | 650±8nm@T>90% | 50nm |
| Fingerprint recognition | 530nm | 530±3nm@T>90% | 25nm |
| Biometric identification | 850nm | 850±3nm@T>80% | 20nm |
| Criminal investigation lightsource | 450nm | 4503nm@T>80% | 20nm |
| Wheel aligner | 940nm | 940±5nm@T>85% | 35nm |
| Electronic whiteboard | 808nm | 808±3nm@T>85% | 40nm |
| Coating | IAD dielectric hard coating, combined filter |
| Peak transmittance (Tp) | 95%, 90%, 85%, 80%, 70%, 60%, 50%, 40%, 30%, 20%, 10% |
| FWHM | 8nm, 10nm, 15nm, 20nm, 25nm, 30nm, 35nm, 40nm |
| Surface quality | 40-20 (S/D) |
| Clear aperture | >95% |
| OD | OD2, OD3, OD4, OD5, OD6 |
| Thickness | 0.3mm, 0.55mm, 0.7mm, 1.0mm, 1.1mm, 2.0mm, 3.0mm, 4.0mm |
| Cut-off wavelength range | 200nm - Centre Wavelength - 1100nm |
| Environmental testing | MIL-STD-810F |
| Material | (K9, BK7, B270, D263T, colored glass, etc) |
| Round | Φ3mm - Φ110mm |
| Square | 2mm×2mm - 146mm×146mm |
