Lithium Tantalate (LiTaO3) Crystal Substrate Crystals Litao3 Wafer Lt Crystal

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PRODUCTS DETAILS

Basic Info.

Model NO.
FW-CRYSTAL
Transport Package
Individual Packaging Or25PCS Packaging
Specification
2-7 inch
Trademark
FineWin
Origin
China
Production Capacity
25, 000PCS/Month

Product Description

LiTaO3(LT) optical crystals, a kind of  transparent crystal, with many kinds of effects like piezoelectricity, electro-optics, acousto-optics, non-linear optics, are excellent materials for acoustic transmission medium and high frequency transducers. LT crystals can be widely used in electro-optical devices, laser frequency multiplier and acousto-optic devices.
Application: surface acoustic wave filter, resonator, Q-switch, optical modulator, acoustooptic switch, laser frequency doubling, optical parametric oscillator, optical storage, high temperature and high frequency ultrasonic detector, infrared detector and optical pickup device.
Product Name: Lithium tantalate (LiTaO3) crystal substrate
Product Description: Lithium tantalate (LiTaO3) single crystal has a very good electro-optical, piezoelectric and pyroelectric properties, widely used in pyroelectric devices and color television. Branch crystal company specializes in producing high quality and the most competitive price high purity optical grade LiTaO3 crystal substrate
Technical parameters:
Crystal structure Hexagonal
Lattice constant a = 5.154 Å c = 13.783 Å
Mp 1650 o C
Density 7.45 g / cm3
Curie temperature 610 o C
Hardness 5.5 - 6 Mohs
Thermal expansion coefficient aa = 1.61 x 10 -6 / k ac = 4.1 x 10 -6 / k
Resistivity 1015 Wm
Permittivity es11 / e0: 39 ~ 43 es33 / e0: 42 ~ 43 et11 / e0: 51 ~ 54 et11 / e0: 43 ~ 46
Color Colorless
Through a range of 0.4 ~ 5.0 um
Index of refraction o = 2.176 n e = 2.180 @ 633 nm

 

Specifications:

   

Name Optical-grade LiTaO3 Sound table level LiTaO3
Axial Z cut + / - 0.2 °

36 ° Y cut / 42 ° Y cut / X cut

(+ / - 0.2 °)

Diameter 76.2mm + / - 0.3mm

76.2mm + /-0.3mm

100mm + /-0.3mm

Datum plane 22mm + / - 2mm

22mm + /-2mm

32mm + /-2mm

Thickness

500um + /-5mm

1000um + /-5mm

500um + /-20mm

350um + /-20mm

TTV ≤ 10um ≤ 10um
Curie temperature 605 °C + / - 0.7 °C (DTAmethod) 605 °C + / -3 °C (DTAmethod
Surface quality Double-sided polishing Double-sided polishing
Chamfered edges edge rounding edge rounding
Standard Packaging: 1000 clean room, 100 clean bag or single box packaging

Innovation point: Through the crystal growth machine's modification in rotating and lifting system, the stability of crystal growth interface and growth rate become higher. Also the defects caused by the influence of crystal rotating and rising disturbance on the solid-liquid interface during the crystal growth process are reduced. we create simulation of crystal growth system and can design crystal shape. The computer chip control the changing of crystal shape according to crystal growth status, through the processing of precision sensor signals. The ultra low gradient interface growth temperature field we self-designed make the quality of optical crystals much better.
Optical grade lithium tantalate crystals and wafers

Lithium tantalate optical film
Various lithium tantalate LT shaped blocks

Photos:
Lithium Tantalate (LiTaO3) Crystal Substrate Crystals Litao3 Wafer Lt Crystal
SAW Level LT ingot

Lithium Tantalate (LiTaO3) Crystal Substrate Crystals Litao3 Wafer Lt Crystal
Optical LT wafers

Lithium Tantalate (LiTaO3) Crystal Substrate Crystals Litao3 Wafer Lt Crystal

Lithium Tantalate (LiTaO3) Crystal Substrate Crystals Litao3 Wafer Lt Crystal
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