An optical element which divides the beam in to two different beam in different directions is a beam splitter. Configuration wise they are broadly divided into two types as cube beam splitter and plate beam splitters....
Dichroic coatings will transmit some part of the spectrum while reflecting the other part. In a cube beam splitter it is hard to achieve the non-polarization condition especially when the angle of incidence is steeper. This beam splitter coating will transmit the visible...
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