Polarizing Beamsplitter Prism
Polarizing Cube Beamsplitters split randomly polarized beams into two orthogonal, linearly, polarized components-S-polarized light is reflected at a 90deg. Angle while P-polarized light is transmitted. Each beamsplitter consists of a pair of precision high tolerance right angle prisms cemented together with a dielectric coating on the hypotenuse of one of prisms. Currently, as coating technologies and assembly techniques have improved, so there are many types of polarizing beamsplitter cubes can be provided in the market. THATSHIGH has own technology in providing two types of high precision polarizing beamsplitter cube. One is by using cemented method for PBS (as standard PBS), the other one is using optical bonding method for the interface of PBS (as high power PBS). A primary advantage of a direct-bonding technique over optical contacting is that the increased strength of the bond allows processing after assembly,meaning that the bonded parts can be cut,shaped,polished or coated to create highly tolerance or multicomponent assemble without the temperature constraints or threat of delamination exhibited by other assembly techniques.Because there is no epoxy,the finished units are compact and thermally stable ,exhibiting insignificant levels of absorption or scattering loss at the optical interface
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Overview
Specifications
| Parameter | Value |
|---|---|
| Interface Surface [Standard PBS] | Cemented |
| Interface Surface [High Power PBS] | Optically Bonded |
| Damage Threshold [Standard PBS；@1064nm] | 0.3J/cm2 |
| Damage Threshold [High Power PBS；@1064nm] | >15J/cm2 |
| Beam Deviation [Standard PBS] | < 3′ |
| Beam Deviation [High Power PBS] | < 3′ |
| Flatness [Standard PBS] | L/4 |
| Flatness [High Power PBS] | L/8 |
| Transmission [Standard PBS；@1064nm] | Tp>95% |
| Transmission [High Power PBS；@1064nm] | Tp>97% |
| Transmission [High Power PBS；@355nm] | Tp>96%@355nm |
| Surface Figure [Standard PBS] | 60/40 Scratch/Dig |
| Surface Figure [High Power PBS] | 40/20(20/10) Scratch/Dig |
| Extinction Ratio [Standard PBS] | >500:1 |
| Extinction Ratio [High Power PBS] | >1000:1 |
Datasheet
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Supplier Information
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