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 +0.0,-0.2mm
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/dig
Beamsplitter Ratio Transmission/Reflection 20/80+/-5 or 50/50+/-5
Coating on Input and Output Surface Uncoated