Name LBO Product Description Lithium Triborate (LiB3O5 or LBO) is an excellent nonlinear optical crystal. Diameter(Tolerance) (W?0.1mm)x(H?0.1mm)x(L+0.5/-0.1mm) (L?2.5mm) Chamfer ?0.2mm at 45 Perpendicalasity ?5 arc minutes Parallelism better than 20 arc seconds Rod End Face Flatness less than ??/8 at 633nm Rod End finish better than 10/ 5 to MIL-O-13830A Fiavefront Distortion less than ??/8 at 633nm Clear aperture central 90% of the diameter *********************************************** shanghai chinese crystal co.,ltd *********************************************** Lithium Triborate (LiB3O5 or LBO) nonlinear optical crystals Lithium Triborate (LiB3O5 or LBO) nonlinear optical crystals Lithium Triborate (LiB3O5 or LBO) nonlinear optical crystals