Beamsplitter Penta 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.

Material: -----BK7 Grade A optical glass 
Dimension Tolerance:---------- ±0.2 mm 
90°Deviation Tolerance:-------according to the form 
Flatness: ------ λ /2(Standard), λ /4(High Precision)@633nm 
Reflectivity:-----------R>95%per face @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:------Uncoated

Note:The AR coating on input and output sides is available upon request.