Lithium niobate crystals have excellent electro-optic, acoustooptic, piezoelectric and nonlinear properties. Lithium niobate crystal is an important multifunctional crystal with good nonlinear optical properties and large nonlinear optical coefficient. Moreover, non-critical phase matching can be realized. As an electro-optical crystal, it has been used as an important optical waveguide material. As a piezoelectric crystal, it can be used in the production of low frequency SAW filters, high power high temperature resistant ultrasonic transducers and so on. Doped lithium niobate materials are also widely used. Mg:LN can greatly improve the anti-laser damage threshold, and promote the application of lithium niobate crystals in the field of nonlinear optics. Nd:Mg:LN crystal, can achieve self-doubling effect; Fe:LN crystals can be used for holographic storage in optical volumes.
Cubic system
3m
Lattice constant
aH = 5.151Å，cH = 13.866 Å
Melting point (℃）
1250℃
Curie temperature
1142.3 ±0.7°C
Density(g/cm3)
4.65
Mechanical hardness
5(Mohs）
Piezoelectric strain coefficient(@25℃x10-12C/N)
d15=69.2，d22=20.8，d31=-0.85，d33=6.0
Nonlinear optical coefficient(pm/V@1.06µm)
d22=3，d31=-5，d33=-33
Electro-optical coefficient(pm/V@633nm@clamped)
γ13=9，γ22=3，γ33=31，γ51=28，γZ=19
Pyroelectric coefficient(@25℃)
-8.3 x 10-5C/°C/m2
Coefficient of thermal expansion(@25℃)
αa=15×10-6/°C，αc =7.5×10-6/°C
Thermal conductivity(@25°C)
10-2 cal/cm•sec•°C
Diameter
Ø76.2mm
Ø100mm
Length
≤150mm
≤100mm
Orientation
127.86°Y、64°Y、X、Y、Z，or others
Diameter
Ø76.2mm
Ø100mm
Thickness
0.25mm>=
0.25mm>=
Orientation
127.86°Y、64°Y、X、Y、Z，or others
Major flatness oritation
X、Y、Z，or others
Major faltness width
22±2mm or others
S/D
10/5
TTV
＜10um
Ingots and wafers of the required lithium niobate (LiNbO3) sizes and specifications are available upon special request
