Polarizing beamsplitter cubes are easy-to-handle, high contrast and high extinction ratio polarizer that splits a randomly polarized beam into two orthogonal, linearly polarized components. Cement is used to bind the two prism halves that form the cube, so the laser damage threshold is limited.
Parameter
Basic Parameters
| Product ID | PA04009 |
| Substrate material | UVFS |
| Wavelength range | 440 – 1700nm |
| Surface quality, S-D | 40-20 |
| Surface flatness, P-V | <λ/6 @ 632.8nm |
| Beam deviation | <3 arcmin |
| Extinction ratio Tp/Ts | >200:1 |
| Transmission @ central wavelength | Tp>90%，>95%，>97% |
| Reflectance @ central wavelength | Rs >99%，>99.5%，>99.8% |
| LIDT | up to 0.3J/cm2 @1064nm，10ns，100Hz |
Feature
- Easy, deformation-free mounting
- High extinction ratio in transmission: Ts/Tp > 200:1
- Negligible absorption of reflected and transmitted beams
- For collimated beams only
- Input and output surfaces are AR-coated for specified wavelengths
- Custom sizes are available on request
| wavelength, nm | Reflection s-pol, % | Transmission p-pol, % | Dimensions, mm |
| 450-650 | >99.5 | >95 | 12.7×12.7×12.7 25.4×25.4×25.4 |
| 532 | >99.8 | >95 | 12.7×12.7×12.7 25.4×25.4×25.4 |
| 633 | >99.8 | >95 | 12.7×12.7×12.7 25.4×25.4×25.4 |
| 1064 | >99.8 | >95 | 12.7×12.7×12.7 25.4×25.4×25.4 |
| 1310 | >99.8 | >95 | 12.7×12.7×12.7 25.4×25.4×25.4 |
| 1550 | >99.8 | >95 | 12.7×12.7×12.7 25.4×25.4×25.4 |
