Optical circular beam-splitter
Optosigma Corporation
* Provides a 5% reflected sample of the entire beam
* Highly efficient Anti-Reflection coating on the second surface to eliminate ghosts
* Available in four standard diameters
* Wedged second surface also available for highly demanding applications
* Surfaces finished to λ/10 flatness
* Standard diameters from 25.4 to 50.8mm
About 5% of a beam incident at 45 degrees is reflected from one surface of these BK7 beam samplers. The faces are parallel to within 5arcsec with a highly effective Anti-Reflection coating on the second surface. This coating eliminates virtually all ghost image problems. The 5% reflected beam is useful for diagnostic sampling or monitoring of the optical beam.
