CornerCubeRetroreflectorisalwaysusedtoreflectthebeamenteringthepri***face,regardlessofitsorientationtothebeam.Cornercubesarewidelyusedwhereprecisionalignmentisdifficult.SpecificationofourPyramidpri***asfollow:*MaterialBK7*BeamDeflection180degree+/-5sec*DimensionTolerances+/-0.1mm*ClearAperture>80%*SurfaceQuality:60/40*SurfaceFlatnessλ/4@633nm*AngleTolerance60degree+/-3minutes*Chamfer0.3mm+/-0.1mm*CoatingsOptional)