Polarizing Prisms (PBS) AT-PBS-12.7@633
The beamsplitter is an optical component that divides an incident beam into two beams propagating in mutually perpendicular directions. Unlike general optical splitting elements, the two beams produced by it have a unique relationship: both beams are linearly polarized, and their polarization directions are perpendicular to each other. The composition of a polarizing beam splitter: It is typically made by cementing or optically contacting the hypotenuse sides of two right-angle prisms, with a polarizing beam splitting film applied to the hypotenuse. P-polarized light in the incident light is transmitted, while S-polarized light is reflected. Anti-reflective coatings are generally applied to all the incident and exit surfaces of the light beams.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Polarization [Transmitted (T)；Features of BeamSplitter] | p-polarized |
| Polarization [Reflected (R)；Features of BeamSplitter] | s-polarized |
| Extinction Ratio [Transmitted (T)；Features of BeamSplitter] | TP/TS >1000:1 |
| Extinction Ratio [Reflected (R)；Features of BeamSplitter] | RS/RP >1000 |
| Beam [Transmitted (T)；Features of BeamSplitter] | <±5 arcmin |
| Beam [Reflected (R)；Features of BeamSplitter] | 90°±5 arcmin |
| Material [Specifications of BeamSplitter] | Optical glass |
| Diemsinon tolerance [Specifications of BeamSplitter] | ±0.2 |
| Surface flatness [@632.8nm；Specifications of BeamSplitter] | λ/4@632.8nm |
| Surface quality [Specifications of BeamSplitter] | 60/40 or better |
| Clear aperture [Dimensions ;Specifications of BeamSplitter] | >90% Dimensions |
| Extinction Ratio [Specifications of BeamSplitter] | Tp/ Ts>2000:1 |
| Output beam deviation [Specifications of BeamSplitter] | 0°±3'(T),90°±5'(Rs) |
| Incidence angle [Specifications of BeamSplitter] | 0°~2° |
| Coating [hypotenuse surface；all four external surfaces；Narrowband；R<0.25%；Specifications of BeamSplitter] | Functional layer: Polarization beam-splitting coating deposited on hypotenuse surface (Ta₂O₅/SiO₂ multilayer stack); Anti-reflective treatment: Narrowband multilayer anti-reflective coating (R<0.25%) applied to all four external surfaces |
| Temperature range [Specifications of BeamSplitter] | -30℃ to +70℃ |
| Wavelength [Catalog of BeamSplitter] | 633nm |
| Dimension [Catalog of BeamSplitter] | 12.7×12.7×12.7 |
| Extinction Ratio [Catalog of BeamSplitter] | Tp/ Ts>2000:1 |
Applications
Key Features
Datasheet
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Supplier Information
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