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Broadband beamsplitter cube
By adding a wedge, it can be used as Precision Penta Prism. It is often used in Plumb Level, Surveying, Alignment, Rangefinding and Optical Tooling.

Specifications

Material : BK7 Grade A Optical Glass

Dimension Tolerance : +/- 0.2mm

Flatness : l/4 @ 632.8 nm

Surface Quality : 60/40 scratch and dig

T/R :

50/50+/- 5%

T=(Ts+Tp)/2, R=(Rs+Rp)/2

Beam Deviation : <3 arc minutes

Coatings:
Broadband partial reflectance: on hypotenuse face
BBAR-coatings: on all input and output face

Narrow band beamsplitter cube The beamspitter cube can only function well when input light is random polarizend (natural light).
If the input light is linear polarizend, the output T/R will be not 50/50.

Specifications

Material : BK7 Grade A Optical Glass

Dimension Tolerance : +/- 0.2mm

Flatness : /4 @ 632.8 nm

Surface Quality : 60/40 scratch and dig

T/R :

50/50+/- 5% for natrual light

T=(Ts+Tp)/2, R=(Rs+Rp)/2

Beam Deviation : <3 arc minutes

Coatings:
Single wavelength partial reflectance: on hypotenuse face
"V" AR-coatings: on all input and output face