LiTaO3 And Fe:LiTaO3 Nonlinear Optical Crystals
LiTaO3 is an E-O crystal widely used for E-O devices, due to its good optical NLO and E-O properties, as well as high damage threshold. CRYSTRO supplies high quality LiTaO3 boules and wafers with the following specifications for standard applications. We can also offer other specifications upon request.
Crystro's LiTaO3 lithium tantalate crystal has >99.99% purity. Find high-quality lithium tantalate bulk crystals, wafers and substrates
Crystro provides:
Basic Properties of LiTaO3:
Crystal Structure | Trigonal, Space group R3c, Point group 3m |
Cell Parameters | a=5.154Å,c=13.781Å |
Melting Point | 1650℃ |
Curie Temperature | 607℃ |
Mohs Hardness | 5.5 |
Density | 7.46g/cm3 |
Dielectric Constants | ε11/ε0:51.7 |
ε33/ε0:44.5 | |
Elastic Stiffness Coefficients | CE11:2.33(×1011N/m2) |
CE33:2.77(×1011N/m2) | |
Piezoelectric Strain Constants | d22:2.4(×10-11C/N) |
d33:0.8(×10-11C/N) | |
Transmission range | 400-4500nm |
Electro-optical coefficients | r33=30.4pm/V |
Refractive index at 632.8nm | no=2.176,ne=2.180 |
Typical Specifications:
Type | Boule | Wafer | ||
Specifications | ||||
Diameter | Φ3″ | Φ3″ | Φ4″ | |
Length or Thickness | ≤100mm | ≤50mm | 0.35-0.5mm | |
Orientation | 127.86°Y,64°Y,135°Y,X,Y,Z,and other cut | |||
Ref. Flat Orientation | X,Y | |||
Ref. Flat Length | 22±2mm | 2mm | 22±2mm | 32±2mm |
Front Side Polishing | Mirror polished 5-15Å | |||
Back Side Lapping | 0.3-1.0μm | |||
Flatness(μm) | ≤15 | |||
Bow(μm) | ≤25 |
Crystro can offer other size and specification of wafers upon request.