Lithium tantalate (LiTaO3)

The chemical formula of Lithium tantalate is LiTaO3. Colorless or light yellow crystals. It is a ferroelectric crystal with excellent electro-optical, piezoelectric, electrical, and thermoelectric properties. Grow using the pulling method. It is used as a Q-switching in laser technology, a pyroelectric detector in infrared technology, and a filter and resonator.

Dihedral Technology(DHD) Co., Ltd. manufacture and processing/provide multiple specifications and high quality LiTaO3 crystal,targets,materials.

Applications

LiTaO3 is used as a Q-switching in laser technology, as a pyroelectric detector in infrared technology, and as a filter and resonator.

Features

Excellent electro-optic, piezoelectric, electrical and pyroelectric properties.

Purity	>99.995%
Crystal Structure	Oblique hexahedron, space group:C63vR3C
Lattice Constant	a=5.154Å c=13.783 Å
Melting Point	1650℃
Curie Temperature	665±5℃
Density	7.45（g/cm³）
Mohs Hardness	5.5~6（mohs）
Color	Colorless or light yellow
Refractive Index	no=2.176 ne=2.180 （633nm）
Primary Electro-Optic Coefficient	r12=7.0×10^-12m/V，
Electromechanical Coupling Coefficient	R15≥0.3
Resistivity	10¹⁵w.m
Intensity of Spontaneous Polarization	50×10^-6C/cm²
Pyroelectric Coefficient	2.3×10^-7 C/cm²K
Dielectric Constant	es11/eo:39~43 es33/eo:42~43 et11/eo:51~54 et33/eo:43~46
Thermal Expansion	aa=1.61×10^-6/k，ac=4.1×10^-6/k
Standard Product
Name	Product	Direction	Standard Size
LTB	Crystal rod	X、Y、Z±1º	Ø2″×50mm Ø3″×50mm
LTW	Epitaxial polishing wafer Double throw Ra<10Å	X, Y, Z or Y rotation with or without positioning edge	10×10×0.5mm Ø2″×0.5mm Ø3″×0.5mm Ø3″×1.0mm
Package	Class 100 clean bag, Class 1000 super clean room

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Lithium tantalate (LiTaO3)

Applications

Features

Properties