The common Beam splitters are used to split or combine laser beam. However Polarization BeamSplitters are used to split or combine two perpendicular polarization laser beam. The performance of beamsplitters is mainly dependent on the coating specifiThe common Beam splitters are used to split or combine laser beam. However Polarization BeamSplitters are used to split or combine two perpendicular polarization laser beam. The performance of beamsplitters is mainly dependent on the coating specifications.
Specifications:
| Material: | BK7 |
| Dimension Tolerance: | ±0.2mm |
| Thickness Tolerance: | ±0.2mm |
| Flatness: | l/4 @ 632.8nm |
| Surface Quality: | 60/40 |
| Parallelism: | < 1 arc minutes |
| T/R: | 50/50±5%, for random polarization T=(Ts+Tp)/2, R=(Rs+Rp)/2 |
| Coating: | * S1:Single wavelength partial reflectance * S2:AR Coating |

Standard Coating wavelength:
Narrow Band: ---------488, 532, 632.8, 650, 808, 850, 980, 1064, 1310, 1550 nm
Broadband: -------------450-650, 650-900, 900-1200, 1200-1550, 1500-1610 nm
