The front surface of the plate beamsplitters are coated with a beam splitting coating, and the rear surface is usually coated with AR coating to reduce the interference of beams and ghosting. The plate beamsplitters are lightweight and economical in price.
Material: H-K9L (CDGM)
Surface figure: wave/ 2 every inch @ 633 nm
Parallelism: <1‘
Surface Quality: 60-40
Clear aperture:90%
Dimension Tolerance: +0.0/-0.25mm
Thickness: 3mm±0.2mm
Bevel: 0.2~0.5mm x 45°
Coating: AOI=45°
S1 surface: splitter coating R/T +/-10%
S2 surface AR coating:Ravg<1%
