LiTaO3 optical grade, Z-cut wafer, 3" Dia x 0.5mm , 2sp

Optical grade single crystal LiTaO3
Orientation:   Z-cut
Size:             3" diameter x 0.5mm
Polish:           two sides polished

Typical Properties: 

Materials Purity:                                   > 99.995%

Crystal Structure:                                 Rhombohedral    space group 3M

Lattice Constant:                                 ( Hex ) a = 5.154 Å   c = 13.783 Å

Melting Point:                                        1650 ^oC

Density:                                                 7.45 g /cm³

Curie Point:                                           610 ^oC

Hardness:                                             5.5 - 6 Moh

Thermal Expansion:                           a _a= 16.1 x 10 ^-6 / k               a _c= 4.1 x 10 ^-6 / k

Resistivity:                                             10¹⁵ W.m               

Dielectric Constant:                            e^s₁₁ / e_0:  39 ~43                       e^s₃₃ / e_0:  42 ~43

                                                                e^t₁₁ / e_0:  51 ~54                       e^t₁₁ / e_0:  43 ~46

Color:                                                     colorless

Transmission Range:                        0.4~5.0 mm

Refractive Index:                                  h_o = 2.176  h_e = 2.180 @ 633 nm