A beam-Splitting cube is often made of two triangular glass prisms which are glued together with some transparent resin or cement. The thickness of that layer can be used to adjust the power splitting ratio for a given wavelength.
| Material: | BK7 Grade A Opitcal Glsas |
| Dimension Tolerance: | ±0.2mm |
| Thickness Tolerance: | ±0.2mm |
| Flatness: | λ/4@633nm |
| Surface Quality: | 60/40 scratch and dig |
| Parallelism: | <1 arc minute |
| T/R: | 50/50±5%, for random polarization |
| T=（Ts+Tp)/2,R=(Rs+Rp)/2 |
| Standard Wavelength: | |||
| Narrow Band: | 488,532,632.8,650,808,850,980,1064,1310,1550nm | ||
| Broadband: | 450-650,650-900,900-1200,1200-1550,1500-1610nm | ||
| Narrow Nand | Broadband | ||
| Size(mm) | Part No. | Size(mm) | Part No. |
| 3.2×3.2×3.2 | BSC1003 | 3.2×3.2×3.2 | BSC2003 |
| 5×5×3.3 | BSC1005 | 5×5×3.3 | BSC2005 |
| 10×10×10 | BSC1010 | 10×10×10 | BSC2010 |
| 12.7×12.7×12.7 | BSC1012 | 12.7×12.7×12.7 | BSC2012 |
| 20×20×20 | BSC1020 | 20×20×20 | BSC2020 |
| 25.4×25.4×25.4 | BSC1025 | 25.4×25.4×25.4 | BSC2025 |