Beamsplitter Cube

Beamsplitter Cube


 Beamsplitter cube is constructed by two cemented right angle prisms. The hypotenuse is coated with partial dielectric coating. Cube Beamsplitter is recommended for use with collimated or nearly collimated beam. Convergent or divergent beam will contribute spherical aberration.
It is polarization sensitive. LaserStates could provide Beamsplitter Penta Prism.

Typical Wavelength

Narrow Brand Wavelength: (nm)
488 514.5 532 632.8 635 670
780 850 980 1064 1300 1550
Broad Brand Wavelength: (nm)
450-650 650-850 900-1200 1200-1550

Capability

Common Specification
Material N-BK7
Dimension tolerance ± 0.20 mm
Thickness tolerance ± 0.20 mm
Clear Aperture >85%
Beam Deviation <3 arc minutes
Flatness lambda/4 @632.8nm
Surface quality  S/D 60-40
Bevel 0.2mmx45°
Coating Beamsplitter coating on hypotenuse face
AR-coatings: on all input and output face
T=(Ts+Tp)/2, R=(Rs+Rp)/2 
T/R = 80/20, 70/30, 50/50 is available
Part Number Dimension (mm) T/R
BSC-BK7-C2.0-50:50-635nm 2.0 50:50 @635nm
BSC-BK7-C5.0-50:50-635nm 5.0 50:50 @635nm
BSC-BK7-C10-50:50-635nm 10.0 50:50 @635nm
BSC-BK7-C12.7-50:50-635nm 12.7 50:50 @635nm
BSC-BK7-C15.0-50:50-450-650nm 15.0 50:50 @450-650nm
BSC-BK7-C20.0-50:50-450-650nm 20.0 50:50 @450-650nm
BSC-BK7-C25.4-50:50-450-650nm 25.4 50:50 @450-650nm