Lithium Tantalate Crystal (LiTaO3) Description
Lithium Tantalate Crystal (LiTaO3) has a high dielectric constant, high optical transparency, and good thermal stability. It is a wonderful material that can be used in Electro-optical and Acousto-Optical applications such as surface acoustic wave services. LiTaO3 crystal is also used in pyroelectric detectors, SAW substrates, piezoelectric transducers, etc.
Lithium Tantalate Crystal (LiTaO3) Specifications
Material
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LiTaO3
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CAS No.
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12031-66-2
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Purity
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>99.99%
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Density
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7.46g/cm3
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Molar Mass
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235.89g/mol
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Melting Point
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1650℃
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Hardness
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5.5~6 (mohs)
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Through scope
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0.4~5.0mm
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Index of refraction
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no=2.176 ne=2.180 (633nm)
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Resistance coefficient
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1015wm
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Dielectric Constant (@ 100 KHz)
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ea = 54, ec = 43
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Thermal expansion
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aa=1.61×10-6/k,ac=4.1×10-6/k
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Size
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Ø2'' x 50 mm, Ø3'' x 50 mm
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Lithium Tantalate Crystal (LiTaO3) Applications
Used in acousto-optic devices.
Used in infrared (IR) optics.
Used in nonlinear optics, terahertz (THz) generation.
Lithium Tantalate Crystal (LiTaO3) Packaging
Our Lithium Tantalate Crystal (LiTaO3) is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
FAQs
Q1 What is the role of LiTaO3 in Surface Acoustic Wave (SAW) devices?
LiTaO3 is widely used in Surface Acoustic Wave (SAW) devices because it exhibits excellent piezoelectric properties. In SAW devices, the crystal’s piezoelectric effect is used to convert electrical signals into acoustic waves on the surface of the material. These waves are then used for filtering and signal processing in applications such as mobile phones, radar systems, and ultrasonic sensors.
Q2 Can Lithium Tantalate (LiTaO3) be used in laser systems?
Yes, Lithium Tantalate (LiTaO3) is used in laser systems for applications such as optical amplification, frequency conversion, and optical parametric oscillators. The crystal’s high optical transparency and nonlinear optical properties make it ideal for frequency mixing and laser signal processing.
Q3. How does Lithium Tantalate (LiTaO3) function in optical modulators?
LiTaO3 is commonly used in electro-optic modulators due to its strong electro-optic effect. In these devices, an applied electric field alters the refractive index of the crystal, which modulates the light passing through it. This property makes LiTaO3 crystals useful in optical communication systems, telecommunications, and data transmission.