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.
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Item No :
Polarization Cube Beamsplitter (PBS)Product Origin :
FuZhouSpecifications:
Dimension Tolerance:
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±0.2mm
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Flatness:
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λ/4 @ 632.8nm
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Surface Quality:
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60/40
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Extinction Ratio:
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>3000:1
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Beam Deviation:
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< 3 arc minutes
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Principal Transmittance:
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Tp>96% and Ts<1% (Narrow Band)
Tp>95% and Ts<1% (Broad Band)
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Principal Reflectance:
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Rs>99% and Rp<5%
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Coating:
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Hypotenuse face: Polarization beamsplitter coating
All input and output faces: AR Coating |
Narrow Band:BK7 Material
Part No. | Extincition Ratio | Standard Wavelenghth | Size(mm) |
PBS-101 | >3000:1 |
488,532,633,650,808,850, 980,1064,1310,1550nm |
5×5×5 |
PBS-102 | 10×10×10 | ||
PBS-103 | 12.7×12.7×12.7 | ||
PBS-104 | 15×15×15 | ||
PBS-105 | 20×20×20 | ||
PBS-106 | 25×25×25 |
Broad Band:ZF Glass
Part No. | Extincition Ratio | Standard Wavelenghth | Size(mm) |
PBS-201 | >3000:1 | 420-680,620-1000,900-1300,1200-1600nm | 5×5×5 |
PBS-202 | 10×10×10 | ||
PBS-203 | 12.7×12.7×12.7 | ||
PBS-204 | 15×15×15 | ||
PBS-205 | 20×20×20 | ||
PBS-206 | 25×25×25 |
What is the use of PBS?
PBS is vital in optics. In laser technology, it stabilizes polarization for precise processing. In optical communications, it separates or combines polarized light to reduce crosstalk and improve transmission efficiency. In optical instruments and display systems, it controls polarization to enhance signal detection and image quality. Its precise polarization - splitting feature makes it key for optimizing optical system performance.
Core Application Areas of Polarization Cube Beamsplitter (PBS)
Application Field | Specific Function |
Laser Systems & Polarization Control | Splits laser beams into orthogonal polarization components for polarization-sensitive material processing; Isolates desired polarization states in amplifiers/oscillators to stabilize laser polarization output. |
Quantum Communication & Polarization Encoding | Separates polarization-encoded qubits to ensure secure polarization-based signal transmission; Supports polarization-dependent quantum state manipulation. |
Imaging & Polarimetric Detection | Enhances image contrast in polarimetric cameras; Analyzes biological tissues in polarization-sensitive microscopy, using PBS to separate excitation/emission polarization states. |
Spectroscopy & Polarization Analysis | Splits light into polarized components for ellipsometry or Raman spectroscopy; Measures polarization parameters in precision sensing, suppressing unpolarized noise via polarization filtering. |