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LiTaO3
LiTaO3 is also a widely used E-O crystal, due to its optical, NLO and E-O properties similar to those of LiNbO3, but with a higher damage threshold.
Crystal Structure: |
Trigonal , Space group R 3c , Point group 3m |
Cell Parameters: |
a = 5.154Å , c = 13.781Å |
Melting Point: |
1650°C |
Curie Temperature: |
607°C |
Mohs Hardness: |
5.5 |
Density: |
7.46g/cm3 |
Dielectric Constant: |
ε11/εo 51.7 |
ε33/εo 44.5 |
Elastic Stiffness Coefficient: |
CE11 2.33 (x1011 N/m2)
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CE33 2.77 (x1011 N/m2) |
Piezoelectric Strain Constant: |
D22 2.4 (x10-11C/N) |
D33 0.8 (x10-11C/N) |
Transmission Range: |
400 - 4500nm |
Electro-Optical Coefficients: |
R33 = 30.4 pm/V |
Refractive Index @ 632.8nm: |
no = 2.176 |
ne = 2.180 |
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