Name: | LiTaO3(LT) | Point Group: | C3v-3m |
---|---|---|---|
Transparent Range: | 0.4-5.0m | Orientation: | X,Z,36°Y,42°Y,128°Y |
Melting Point: | 1650℃ | Density: | 7.45g/cm3 |
High Light: | magnesium aluminate spinel,yag yttrium aluminum garnet |
Physical and Chemical Properties
Point group | C3v-3m |
Refractive index at 632.8nm | n0=2.176 |
ne=2.186 | |
Transparent Range | 0.4-5.0m |
Orientation | X,Z,36°Y,42°Y,128°Y |
Melting point | 1650℃ |
Density | 7.45g/cm3 |
Mohs hardness | 5.5 |
Thermal expansion coefficient | aa=16×10-6/K, ac=4×10-6/K |
Specific heat | 0.06J/(kg°C) |
Cell Parameters | a=5.154,c=13.781 |
Curie Temperature | 605℃ |
Elastic Stiffness Coefficient | CE11=2.33(×1011N/m2) |
CE33=2.77(×1011N/m2) | |
Electro-optical coefficients@0.63m | S13=7×10-12m/V |
S33=30.3×10-12m/V | |
Heat Capacity (Cp) | 100 J / k.mol |
Typical Optical Properties
Electro-Optic Coefficients r(10-12 mV-1) at 632.8 nm
rT13 | 8.4 | rS13 | 7 |
rT22 | rS22 | 1 | |
rT33 | 30.5 | rS33 | 30.3 |
rT51 | rS51 | 20 |
Nonlinear Optical Coefficients at 1-06 m (*d31=d15)
d22 / l d36KDP l | 4.4 |
d31 / l d36KDP l | -2.7 |
d33 / l d36KDP l | -4.1 |
Refractive Index at 632.8 nm
no | 2.1787 |
ne | 2.1821 |
no: TE modene: TM mode |
Surface Acoustic Wave Properties
Description | Propagation | Design | Surface Wave Velocity (m/s) | Coupling Coefficient k (%) | Group Delay Time Temp Coefficient (ppm/°C) |
36Y Cut | X Axis | SSBW | 4160 | 5 |