Fe:LiTaO3
Keywords:
Fe:LiTaO3
Category:
- Details
- Characteristics
- Parameters
- Application
-
- Commodity name: Fe:LiTaO3
Lithium tantalate crystal is a multifunctional material that combines electro-optic, acousto-optic, piezoelectric, nonlinear, photorefractive, and laser properties, with applications in numerous fields.
Lithium tantalate (LiTaO3) crystals are multifunctional materials that combine electro-optic, acousto-optic, piezoelectric, nonlinear, photorefractive, and laser properties, with applications in numerous fields. Lithium tantalate not only possesses excellent piezoelectric, electro-optic, and thermoelectric properties but also exhibits stable chemical and mechanical properties. It can be used as electro-optic modulators, infrared pyroelectric detectors, broadband and frequency doubler devices, holographic storage devices, and high-stability piezoelectric devices, among other functional devices.
Main Features ：
Curie temperature: 603±2℃
Electromechanical coupling coefficient R15≥0.3
Stable chemical and physical properties
Typical applications:
Surface acoustic wave filters, resonator Q-switches, optical modulators, acousto-optic switches, laser frequency doublers, optical parametric oscillators, optical storage devices, high-temperature high-frequency ultrasonic detectors, infrared detectors, and optical pickup devices, etc.
-
Crystal structure
Trigonal crystal system
Lattice constant
a=5.154Å,c=13.783Å
Density
7.45g/cm3
Melting point
1650℃
Curie temperature
603±2℃
Mohs hardness
5.5~6.0
Dielectric constant
es 11/e o :39~43, es 33/e o :42~43；et 11/e o :51~54, et 33/e o :43~46
Resistivity
1015wm
Thermal expansion coefficient
a1=a2=1.61×10 -6 /℃, a3=4.1×10 -6 /℃
Refractive index
n 0 =2.176, n e =2.180 @ 633mn
Electro-optic coefficient
R 33 =30.4
Pyroelectric coefficient
2.3×10 -7 C/cm2/K
Transmission range
400nm~5000nm
-
Size
4", 6" ingots and wafers (SAW/optical grade)
Doping
Undoped or doped
Ingot Length
≥50mm
Wafer Thickness
0.25, 0.35, 0.50 (mm)
Orientation
Y42°/Y36°/X/Y/Z or customized
Surface Treatment
Single-side polishing, Double-side polishing
TTV
< 5µm
Bow
≤40µm
Orientation Edge Width
32.0±2.0mm Customizable
Polished Surface
Roughness Ra≤1nm
Chamfer
0.1mm@45° or round edge
Related Products
Professional R&D, design, production and sales of crystal materials and their application devices
Anhui Crystro Crystal Materials Co., Ltd.
Address: No. 176, Yunhai Road, Hefei Economic and Technological Development Zone, China