Products: VUV/UV Neutral Density Filters

Our VUV neutral density filters are made of metallic films, over-coated with a dielectric protective layer. Density over the range of 120 nm – 200 nm is determined by the combined transmittance, reflectance, and absorption of these films. We also offer this line of neutral density filters for the UV wavelength range of 200 nm – 320 nm. Note: VUV and UV neutral density filters can be supplied in anodized metal rings. Contact us at [email protected] for more information. |
VUV Neutral Density Filters: 120 - 200 nm
Optical Density | Nominal Transmission | Transmission Range | 0.5" Part Numbers | 1.0" Part Numbers | 2.0" Part Numbers |
---|---|---|---|---|---|
0.3 | 50% | 42-58% | FND0.3-.5D-V | FND0.3-1D-V | FND0.3-2D-V |
0.5 | 30% | 25-35% | FND0.5-.5D-V | FND0.5-1D-V | FND0.5-2D-V |
1.0 | 10% | 8-12% | FND1-.5D-V | FND1-1D-V | FND1-2D-V |
1.5 | 3.0% | 2.5-3.5% | FND1.5-.5D-V | FND1.5-1D-V | FND1.5-2D-V |
2.0 | 1.0% | 0.7-1.4% | FND2-.5D-V | FND2-1D-V | FND2-2D-V |
3.0 | 0.1% | 0.06-0.17% | FND3-.5D-V | FND3-1D-V | FND3-2D-V |
4.0 | 0.01% | 0.005-0.02% | FND4-.5D-V | FND4-1D-V | FND4-2D-V |
5.0 | 0.001% | 0.0007-0.0015% | FND5-.5D-V | FND5-1D-V | FND5-2D-V |
6.0 | 0.0001% | 0.00007-0.00014% | FND6-.5D-V | FND6-1D-V | FND6-2D-V |
NOTE: Substrate material for all VUV ND Filters is MgF2
UV Neutral Density Filters: 200 - 320 nm
Optical Density | Nominal Transmission | Transmission Range | 0.5" Part Numbers | 1.0" Part Numbers | 2.0" Part Numbers |
---|---|---|---|---|---|
0.3 | 50% | 42-58% | FND0.3-.5D-M | FND0.3-1D-M | FND0.3-2D-M |
0.5 | 30% | 25-35% | FND0.5-.5D-M | FND0.5-1D-M | FND0.5-2D-M |
1.0 | 10% | 8-12% | FND1-.5D-M | FND1-1D-M | FND1-2D-M |
1.5 | 3.0% | 2.5-3.5% | FND1.5-.5D-M | FND1.5-1D-M | FND1.5-2D-M |
2.0 | 1.0% | 0.7-1.4% | FND2-.5D-M | FND2-1D-M | FND2-2D-M |
3.0 | 0.1% | 0.06-0.17% | FND3-.5D-M | FND3-1D-M | FND3-2D-M |
4.0 | 0.01% | 0.005-0.02% | FND4-.5D-M | FND4-1D-M | FND4-2D-M |
5.0 | 0.001% | 0.0007-0.0015% | FND5-.5D-M | FND5-1D-M | FND5-2D-M |
6.0 | 0.0001% | 0.00007-0.00014% | FND6-.5D-M | FND6-1D-M | FND6-2D-M |
NOTE: Substrate material for is fused silica for all UV ND Filters