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2inch/3inch/4inch/6inch Y-42°/36°/128° LT Lithium tantalate (LiTaO3) crystal / Fe+ doped type 250um/300um substrate wafer
Product Name:Lithium tantalate (LiTaO3) crystal substrateProduct 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 substrateTechnical 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 | n 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/ 100±0.2mm | 76.2mm + /-0.3mm 100mm + /-0.3mm 0r 150±0.5mm |
| 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
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Standard Packaging:1000 clean room, 100 clean bag or single box packaging
Application | electro optic Q-switch, integrated optical substrate, sensor, frequency converter |
| Remarks | stoichiometric or congruent |
Feature Piezoelectric Crystal LiTaO3 crystals
| Excellent photoelectric property |
| High Damage Threshold |
| High Curie Temperature |
LiTaO3 crystals Ingot specifications
Diameter 50.8mm 76.2mm 100mm 150mm
Thickness 60mm 60mm 60mm 40mm
Tolerance ±0.3mm
Orientation: Y-36°,Y-42°,Y-112°
Dope: common Fe, Zn, Gd
| Packaging | products → single cassette or 25 pcs boxes in cleaning room |
| Inner packing → Foam plastics anti-vibration cushion liner for package | |
| Outer packing → five layers corrugated carton paper box or as required | |
| Shipping | by air → UPS , DHL , Fedex , TNT, EMS ,SF ,et |
