Sorry, this product is no longer offered for sale. It was discontinued on Dec 21, 2018 For recommended replacements see broadband-beamsplitters.
5° Wedged Substrate 1.0 inch diameter, Fused Silica
The 44889 5° Wedged Substrate is made with Fused Silica and is used to split off part of the beam. The normal surface reflection off the substrate is enough to pick-off a portion of the beam for monitoring by the 68950 sensor.