The front surface of the plate beamsplitter is coated with beamsplitting 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: Schott B270
Surface figure: 4~8 waves/inch
Parallelism: <3‘
Surface Quality: 80-50
Clear aperture:90%
Dimension Tolerance: +0.0/-0.25mm
Thickness tolerance: ±0.2mm
Bevel: cutting edge
Coating: AOI=45°
Clear aperture:90%
S1 splitter coating:
VIS (visible) - R/T ±10%(average) @ 400~700nm
NIR (near infrared) - R/T ±10% (average) @600~1100nm
SWIR (short wave infrared) - R/T ±10%(average) @900~1700nm
S2 AR coating:
VIS - Ravg<1% @400-700nm
NIR - Ravg<1% @600-1100nm
SWIR - Ravg<1% @900-1700nm
