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Polarizing Cube Beamsplitters |
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Polarizing Cube Beamsplitters
Polarizing Cube Beamsplitters are formed
from two right angle, 45° prisms permanently cemented together. The
hypotenuse is coated with an all dielectric, polarization sensitive
coating designed to separate an incident, unpolarized, monochromatic
beam into its S and P polarization components. The extinction ratio
(TP/TS) exceeds 1000:1 in the transmitted beam. The two orthogonally
polarized beams emerge from the cube at 90° with respect to each other.
All entrance and exit surfaces are coated with a high efficiency, narrowband,
anti-reflection coating.
RMI STANDARD
SPECIFICATIONS
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Angle incidence:
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0º
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| Angle of Reflectance: |
90º |
| Material:
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BK7
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| Surface Figure:
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λ/10 at 633nm,
all
polished surfaces
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| Transmitted Wavefront: |
λ/4 at 633nm |
| Surface Quality: |
10 – 5, all polished surfaces |
| Dimensional Tolerance: |
± 0.010" |
| Angular Deviation: |
≤ 3 arc minutes |
| Bevels: |
0.010" – 0.030" at 45º |
| Clear Aperture:
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Central 85% of edge dimension
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Reflectance:
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RS > 99%
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Transmittance:
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TP > 95%
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| Extinction Ratio:
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TP/TS > 1000:1
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| Anti-Reflection Coating:
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R < 0.25% per surface,
all entrance and exit
surfaces |
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Last Updated ( Friday, 27 April 2007 )
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Due to their potential strategic high value, export of RMI products and related technical data may be subject to U.S. or other export licensing requirements.
Please consult your export control administrator or contact RMI for more information.
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