DN40CF DUV GRADE FUSED SILICA VIEWPORT FOR 248nm KrF EXCIMER LASER
110-KRF-C40
DN40CF DUV GRADE FUSED SILICA VIEWPORT FOR 248nm KrF EXCIMER LASER
Viewports
Laser damage threshold 10J/cm2 for 10ns pulse
Price:
Specifications
| Vacuum Leak Rate | UHV <5x10-10 mbar l/s |
| Size or DN | DN40CF (2 ¾” OD flange) |
| Compliance | ISO 3669:2017 |
| Vacuum Seal | Annealed Cu Gasket |
| Body Material | Stainless Steel 304 |
| Temperature Range | -100°C to 200°C |
| Transmission | 248nm |
| Inside Diameter | 35mm |
| Flatness | λ/4 @632nm |
| Coating | V-coat with <0.25% reflection/surface |
| Parallelism | <10 arc sec |
| Surface Finish | 20/10 Scratch/Dig |
| Optical Material | DUV grade fused Silica |