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.