Utilizes the inherent absorption properties of doped glass to achieve spectral filtering. They are angle-insensitive and highly durable, ideal for industrial lighting, photography, and basic sensing applications.
Diameter range: 5 mm- 200 mm ±0.1 mm
Dimensional tolerance: ±0.05mm
Lens alignment error: ≤3 arc min
Surface Accuracy: λ/8
Colored glass filters are widely utilized for the attenuation and spectral filtering of laser pulses. Because of their selective absorption across the visible wavelength spectrum, their appearance varies depending on the specific glass composition. Colored glass filters offer an economical and highly cost-effective filtering solution for a diverse range of applications. These optical glass filters are commonly used in safety eyewear, industrial metrology, environmental monitoring, and many other fields.
| Material | Optical-grade colored glass |
| Diameter tolerance | ±0.05 mm |
| Lens Alignment Error | <3 arc min |
| Surface accuracy | λ/4@ 633nm or λ/10@633nm |
| Surface quality (S/D) | 60/40 20/10 |
| Effective caliber | 90% |
| Chamfer/beve | <0.1*45° |
| Center wavelength | 350nm-2500nm |
| Peak transmittance | >90% customized upon request |
| Half-peak bandwidth | 10nm-15nm |