There are two kinds of E-O modulations. One is longitudinal E-O modulation if the directions of electric field and light propagation are the same. The KDP isomorphic crystals are normally used in this scheme. If the directions of electric field and light propagation are perpendicular, it is called transverse E-O modulation. The LiNbO3, MgO:LiNbO3, BBO and KTP crystals are usually employed in this scheme. Our Capabilities: Dimension Tolerance: (Wí+0.1mm) x (Hí+0.1mm) x (L+0.1/-0.1mm) (L1 for 1064nm,TEM00, 10ns, 10HZ (polished only); >0.5 for 1064nm,TEM00, 10ns, 10HZ(AR-coated) ; >0.3 for 532nm,TEM00, 10ns, 10HZ(AR-coatd). Quality Warranty Period: one year under proper use.