Optical plate beam-splitter
Optosigma Corporation
* Available with highly parallel or wedged faces to reduce ghosts
* Polished both sides to λ/10
* Coating optimized for low loss
* Available with Ultra-Violet grade fused silica and BK7 substrates
* Standard diameters from 25.4 to 50.8mm
These superior beamsplitters are multilayer dielectric coatings on a BK7 or synthetic fused silica substrate. The beamsplitter substrate is polished on both sides to a flatness of λ/10. Substrates can be either precisely parallel to 5arcsec or wedged with a 1 degree angle. The wedge angle eliminates ghost images by bending the beam out of the direction of the principal beam.
