Lithium Niobate (LN) is a ferroelectric material with excellent electro-optic, nonlinear, and piezoelectric properties. Lithium niobate crystals are important materials for optical waveguides, mobile phones, piezoelectric sensors, optical modulators and various other linear and non-linear optical applications. Find lithium niobate crystals and wafers for sale at MSE Supplies.

The largest use of Lithium Niobate (LN) is in SAW devices used in telecommunication devices. When voice communication and data communication are performed, SAW devices such as SAW filters and SAW duplexers are mounted in communication devices as filters for preventing noise and interference. Lithium Niobate (LN) crystals are also used in optical applications.

Main Parameters
Growth method	Czochralski method
Crystal structure	M3
Unit cell constant	a=b=5.148Å c=13.863 Å
Melting point (℃)	1250
Density (g/cm³）	4.64
Hardness	5 (Mohs)
Refractive index	no=2.286 ne=2.203 at 632.8nm
Nonlinear coefficient	d33=-0.27, d31=d15=-4.5, d22=2.1 (pmv-1)
Denko coefficient	γ13=8.6, γ22=3.4, γ33=30.8, γ51=28.0 (pmv-1)
Optical transmittance	370 ~ 5000nm and >68% at 632.8nm

Product Specification
Size	<4 inch diameter	Surface quality	S/D = 10/5 or customized
Size tolerances	Z: +/- 0.3mm X, Y: +/- 0.1mm	Plane degrees	v8 (632.8nm)
Rotating angles	less than 0.5mm, 45 º±5 º	coating film	R<0.2% (1064nm)
Orientation precision	Z: 5′ X, Y: <10′	distorted	<N4 (633nm)
Package	sealed in class 100 clean bag in class 1000 clean room

Custom machining is available for different size crystals and wafers.

Standard products are not coated. If you need coating service, please contact us.

For X-cut LiNbO₃ wafers, the primary flat is Z orientation, the Y orientation is perpendicular to the flat.

Related Publications:

Lithium niobate: summary of physical properties and crystal structure

Non-volatile holographic storage in doubly doped lithium niobate crystals

Increased optical damage resistance in lithium niobate

Holographic storage in lithium niobate

Lithium Niobate LiNbO<sub>3</sub>

MSE PRO LiNbO3 Lithium Niobate Crystals and Wafers

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MSE PRO LiNbO₃ Lithium Niobate Crystals and Wafers