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BeamSplitter Plate
The common Beam splitters are used to split or combine laser beam. However Polarization BeamSplitters are used to split or combine two perpendicular polarization laser beam. The performance of beamsplitters is mainly dependent on the coating specifications.
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Attribute |
Specifiction |
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Material |
BK7, Fused Silica, optical glass |
|
Dimension Tolerance (mm) |
¡À0.05 |
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Thickness Tolerance (mm) |
¡À0.05 |
|
Surface Quality |
10/5 |
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Parallelism |
<1arc min |
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Flatness (per 25mm@633nm) |
<¦Ë/10 |
|
T/R |
50/50¡À5%, for random polarization
T=(Ts+Tp)/2, R=(Rs+Rp)/2 |
|
Surface1 |
Single wavelength partial reflectance |
|
Surface2: |
AR-coating |
 
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