RhombicPri***sareusedtodisplayabeamlaterallywithoutchangingitisdirection.Theymaybecoatedtotran***itpartofthebeamandproducetwoparallelanddisplacedemergingbeams.Canbecoatedtoproduceapolarizingbeamseparator.Dimensionandcoatingmaybe***ailablebycustomorders.SpecificationofourRhombohedralpri***asfollow:*MaterialBK7GradeAopticalglass*DimensionTolerance+/-0.2mm*BeamDeviationUpto30arcseconds*AngleToleranceUpto5arcseconds*FlatnessUptoλ/4@633nm*SurfaceQuality60/40scratchanddig*Chamfer0.3mm+/-0.1mm*CoatingARcoating***ailable)