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Prism

penta beamsplitter prism

penta beamsplitter prism

By adding a wedge and with partial reflective coating on first reflective surface,Penta Prism can be used as Beamsplitter.We supply Beamsplitter Penta Prism with standard Transmission/reflection (T/R) ratio of 20/80,50/50.Other T/R ratio is available upon request.

penta beamsplitter prism
penta beamsplitter prism

Standard Specifications

Material:  BK7 Grade A optical glass 
Dimension Tolerance: ±0.2 mm 
90°Deviation Tolerance:  10 arcsec
Flatness: λ/4 @633nm 
Reflectivity:  R>95% @400-700nm 
Surface Quality:  -60-40 scratch and dig 
Beamsplitter Ratio Transmissio/Reflection: 20/80±5 or 50/50±5 
Coating on input and ouput sides:  AR coating visible range