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- When an electric field (E) is applied to an electro-optic (E-O) crystal, the refractive index of E-O crystal will change linearly to electric field. The phenomenon is called linear electro-optic effect. For KD*P crystal, for example, the change of the refractive index (Dn) is Dn = 0.5no3r63E if both the directions of light propagation and electric field are along the z-axis, where no is refractive index without electric field and r63 is electro-optic coefficient of KD*P.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, ZnO:LiNbO3, BBO and KTP crystals are usually employed in this scheme.
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Specifications: Diameter: F40.0mm, F50.8mm, F76.2mm , F101.6mm
Thickness: 0.2 ~ 1.0mm
Orientation: X, Y, Z, 127.86 °Y, 64 °Y, 135 °Y
Front Polishing: 0.016 ~0.001μm
Back Lapping: 0.3 ~10
Flatness: «15μm
Bow: * «20μm for dia <18mm
* «40μm for dia 22 ~ 32mm
