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LiNbO3 substrate

LiNbO3 substrate

 

The main performance parameters

Growth method

Czochralski method

Crystal structure

Trigonal system

Lattice constant

a=b=5.148Å     c=13.863 Å 

Melting point (℃)

1250

Curie temperature

1140 ℃

Density (g/cm3)

4.64

Hardness

5 (Mohs)

Spectral transmission range

0.4-2.9um

Refractive index

No=2.286 ne=2.203 (632.8nm)

Nonlinear coefficient

D33=34.45, d31=d15=5.95, d22=13.07 (PMV-1)

Electro-optic coefficient

γ13=8.6,γ22=3.4,γ33=30.8,γ51=28.0,γ22=6.00(pmv-1) 

Spectral transmission range
Transmittance

370 - 5000nm  >68% (632.8nm)

Thermal expansion coefficient

A11=15.4 * 10-6/k, a33=7.5 * 10-6/k

Product specifications:

Grade:

Optical grade LiNbO3

SAW grade LiNbO3

Orientation

X-cut, Z-cut (+/-0.2°)

Z-cut, Y-cut,

Y-cut 36° off, Y-cut 64° off, Y-cut 128° off

Orientation Flat

22mm+/-2mm

32mm+/-2mm

22mm+/-2mm

32mm+/-2mm

Standard Size

 Dia1"(25.4mm) +/-0.3mm

Dia3"(76.2mm) +/-0.3mm

Dia 4" (100mm) +/-0.3mm

10x10mm  +/-0.05mm

Dia1"(25.4mm) +/-0.3mm

Dia3"(76.2mm) +/-0.3mm

Dia 4" (100mm) +/-0.3mm

10x10mm  +/-0.05mm

Thickness

500um+/-20um

1000um+/-20um

500um+/-20um

1000um+/-20um

Polishing

 Single or Both side polished

Surface Finish: 10/5 

Single or Both side polished

Surface Finish: 10/5 

TTV

≤10um

≤10um

Curie temperature

1142℃ +/-0.7℃

1142℃ +/-3℃

Edge chamfer

Edge rounding

Edge rounding

 

LiNbO3 is a nonlinear optical grade crystal, it widely used in parametric oscillators, frequency doubling, acousto-optic devices, optical modulators. MgO-doped LiNbO3 can effectively increase the damage threshold of the LiNbO3 crystal.
 
Lithium Niobate(LiNbO3) crystals are widely used in optical communication, information processing, integrated optics, image storage, harmonic generation, frequency doubling devices, parametric oscillations, frequency multiplication of 1064nm lasers and quadruple frequency phase matching device etc.

 

 
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