Polarizing film is coated on the internal face of a cube beamsplitter. Thin film polarizers utilize the polarization wich occurs on reflection deviated by 90° angle. Cube polarizing beamsplitters can be optimized for a particular wavelength to give superior performance for laser applications.
Parameter
Basic Parameters
| Material | BK7, UV FS |
| Surface quality | 40-20 scratch & dig (MIL-PRF-13830B) |
| Surface flatness | λ/4 @ 633nm |
| Clear aperture | 90% of the face size |
| Beam deviation | <3 arcmin |
| Dimension tolerance | ±0.3mm |
| Laser Damage Threshold | 0.3J/cm2 10ns pulses at 1064nm |
Feature
- Durable and convenient
- Optimized for popular laser wavelengths




