Description
Neutral density filters enable a homogeneous reduction of a certain interval of the wavelengths of the light beam. The filters absorb or reflect the light as required. They are typically differentiated by their optical density.
Application areas
Industrial laser engraving and cutting
Medical laser devices
Optical metrology
Scientific research
Order information
Our lenses are manufactured according to your specific requirements. Contact us for a customized offer. Please let us know the exact specifications and requirements.
Parts for uniformly reducing the transmission of an area of the optical spectrum.
| Feature | Value |
|---|---|
| Types | Band-pass, long-pass, short-pass, ND filters, dichroic |
| Materials | Quartz glass, BK7, optical glass |
| Wavelength range | 200 nm - 5000 nm |
| Transmission | > 90 % in the desired range |
| Blocking | OD3 - OD6 outside the passage area |
| Surface accuracy | < λ/4 bei 632,8 nm |
| Coatings | Multilayer dielectric, metal, AR |
