钽酸锂(LiTaO3，简称LT)晶体是一种重要的多功能晶体材料，该晶体具有优良的压电、铁电、声光及电光效应。因而成为声表面波(SAW)器件、光通讯、激光及光电子领域中的基本功能材料。经过抛光的LT晶片广泛用于谐振器、滤波器、换能器等电子通讯器件的制造，尤其以它良好的机电耦合、温度系数等综合性能而被用于制造高频声表面波器件，并应用在手机、对讲机、卫星通讯、航空航天等许多高端通讯领域。
| 项目 | 名 称 | 规 格 |
| 1 | 钽酸锂基片晶体 | Φ2″42°Y-X |
| 2 | 钽酸锂基片晶体 | Φ2″36°Y-X |
| 3 | 钽酸锂基片晶体 | Φ3″42°Y-X |
| 4 | 钽酸锂基片晶体 | Φ3″36°Y-X |
| 5 | 钽酸锂基片晶体 | Φ4″42°Y-X |
| 6 | 钽酸锂基片晶体 | Φ4″36°Y-X |
LiTaO3 single crystal exhibits excellent electro-optical, piezoelectric and pyroelectric properties. It has been used widely
in pyrelectric device and color TV. Our centre specializes in optical grade. LiTaO3 crystal featured with low impurity content,
high performance and provides the most competitive price.
T*ical Properties
| Crystal Structure | Rhombohedral space group 3M |
| Materials Purity | > 99.995% |
| Lattice Constant | ( Hex ) a = 5.154Å c = 13.783Å |
| Melting Point | 1650 oC |
| Density | 7.45 g /cm3 |
| Curie Point | 610 oC |
| Hardness | 5.5 - 6 Moh |
| Thermal Expansion | a a= 1.61 x 10 -6 / k a c= 4.1 x 10 -6 / k |
| Resistivity | 1015W.m |
| Dielectric Constant | es11 /e0: 39 ~43 es33 /e0: 42 ~43 et11 /e0: 51 ~54 et11 /e0: 43 ~46 |
| Color | colorless |
| Tran*ission Range | 0.4~5.0mm |
| Refractive Index | ho = 2.176 he = 2.180 @ 633 nm |
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