Polarizing Beamsplitter Cube (PBS)
Polarizing beam-splitter (PBS) cubes consist of two bonded right-angle prisms, with a polarizing dielectric coating on the hypotenuse of one prism. With normally incident unpolarized light, the p-polarized component passes straight through and the s-polarized component reflects through 90°. High-damage-threshold coatings support laser lines at 355nm, 405nm, 532nm, 633nm, 780-808nm and 1064nm, or broadband operation. Adhesive-bonded versions precisely separate unpolarized light into two perpendicular linearly polarized beams, with good optical stability, low stress, high extinction ratio, good imaging quality and small beam deviation. Optical-bonded versions with an adhesive-free optical path offer high damage threshold, mechanical strength and structural stability for high-power lasers, reducing changes in optical performance for long-term stable operation.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | Fused Silica, Schott, OHARA, CDGM, Infrared Materials |
| Dimensions | 5×5×5, 10×10×10, 12.7×12.7×12.7, 15×15×15, 20×20×20, 25×25×25 (customizable) |
| Surface Figure [632.8nm] | 1λ to λ/10 @632.8nm |
| Surface Finish | 60/40 to 10/5 S/D |
| Effective Clear Aperture | As Required. |
| Dimensional Tolerance | +0.0, -0.1mm |
| Coating | As Required. |
| Applicable Coating Wavelength | 355, 405, 532, 633, 780-808, 1064 nm or broadband |
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