Polarizing Cube Beamsplitter
Polarizing cube beamsplitters split randomly polarized beams into two orthogonal, linearly polarized components: S-polarized light is reflected at a 90 deg 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 the prisms. A multi-layer antireflective coating has been applied to each face of the beamsplitter in order to produce maximum transmission efficiency.
Capability
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Material: |
BK7, grade A fine annealed |
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Design wavelength: |
|
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Clear aperture: |
90% |
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Dimension tolerance: |
+/-0.1mm |
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Angle tolerance: |
+/- 3 arc minutes |
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Surface quality: |
60-40 |
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Surface accuracy: |
lambda/4 |
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AR coating: |
R < 0.25% per surface @ 632.8nm |
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Transmission: |
Tp > 95% @ 632.8nm |
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Reflection: |
Rs > 99.5% @ 632.8nm |
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Extinction Ratio: |
Tp / Ts > 100: 1 @ 632.80nm |
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Bevel: |
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