| Item Number | 7557 |
|---|---|
| Angle of Incidence | 0 Degrees |
| Center Wavelength | 397.8 nm Nominal |
| FWHM | |
| Transmission Band(s)† | 397.8 nm > 80% T Absolute |
| Blocking Level | OD6 |
| Blocking Range(s)* | OD6: 300 to 389 nm, 406 to 1200 nm |
| Filter Design | Multi-Cavity |
| Substrate Type | NBK-7 |
| Dimensions | 30.0 mm Diameter |
| Filter Thickness | 3.0 mm |
| Assembly Type | Anodized Aluminum Ring |
| Assembly Thickness | 5.0 mm |