| Dimension tolerance | +0.0/-0.2mm |
| Thickness tolerance | ±0.2mm |
| Surface quality | 60/40 scratch and dig |
| Clear aperture | >90% |
| Flatness | < λ/4@632.8nm |
| Beam deviation | <3 arc minutes |
| Chamfer | protective <0.5mm x 45° |
| T/R tolerance | ±5% |
| Polarization | |Rs-Rp|<5% |
| Coating | S1: Non-polarizing beamsplitter coating S2: AR coating |
| Damage threshold | >3J/cm2, 20ns, 20Hz, @1064nm |
| Part Number | Material | Diameter (mm) | Thickness (mm) | T/R (%) | Wavelength (nm) | AOI (°) |
| NBP12-355 | UVFS | 12.7 | 3 | 50:50±5% | 355 | 45 |
| NBP25-355 | UVFS | 25.4 | 3 | 50:50±5% | 355 | 45 |
| NBP50-355 | UVFS | 50.8 | 3 | 50:50±5% | 355 | 45 |
| NBP12-532 | BK7 | 12.7 | 3 | 50:50±5% | 532 | 45 |
| NBP25-532 | BK7 | 25.4 | 3 | 50:50±5% | 532 | 45 |
| NBP50-532 | BK7 | 50.8 | 3 | 50:50±5% | 532 | 45 |
| NBP12-633 | BK7 | 12.7 | 3 | 50:50±5% | 633 | 45 |
| NBP25-633 | BK7 | 25.4 | 3 | 50:50±5% | 633 | 45 |
| NBP50-633 | BK7 | 50.8 | 3 | 50:50±5% | 633 | 45 |
| NBP12-780 | BK7 | 12.7 | 3 | 50:50±5% | 780 | 45 |
| NBP25-780 | BK7 | 25.4 | 3 | 50:50±5% | 780 | 45 |
| NBP50-780 | BK7 | 50.8 | 3 | 50:50±5% | 780 | 45 |
| NBP12-1064 | BK7 | 12.7 | 3 | 50:50±5% | 1064 | 45 |
| NBP25-1064 | BK7 | 25.4 | 3 | 50:50±5% | 1064 | 45 |
| NBP50-1064 | BK7 | 50.8 | 3 | 50:50±5% | 1064 | 45 |