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Lithium Tantalate (LiTaO₃)

We offer Lithium Tantalate (LiTaO₃) substrates in these common sizes: 5x5mm, 10x10mm, 20x20mm, 2”, 3”, 4” diameters. Please contact us for a quotation.

LiTaO₃ is commonly used as substrate for:

Surface acoustic wave (SAW) devices, electro-optic modulators, piezoelectric applications, thin film growth

Lithium Tantalate (LiTaO₃) is a key ferroelectric material with exceptional electro-optic, piezoelectric, and nonlinear optical properties. It is widely used in surface acoustic wave (SAW) devices, electro-optical modulators, and other photonic applications due to its strong coupling of electrical and optical phenomena.

(LiTaO₃) Z-cut (0001):

The Z-cut orientation is the most common cut for Lithium Tantalate, offering optimal properties for surface acoustic wave (SAW) devices and electro-optic modulators. This cut is ideal for applications requiring precise control over optical and acoustic waves, such as RF filters and frequency shifters.

(LiTaO₃) X-cut (11-20):

The X-cut is used primarily in piezoelectric applications where the electric field is applied along the X-axis. This orientation is commonly chosen for applications that require high piezoelectric response, such as sensors and actuators.

(LiTaO₃) Y-cut (10-10):

The Y-cut is ideal for optical and acousto-optical devices, such as wavelength converters and optical modulators. It offers unique polarization properties, making it suitable for devices that require polarization switching or manipulation of light.

(LiTaO₃) Y-X cut:

This cut combines the Y-axis and X-axis orientation and is often used in SAW devices where wave propagation and precise frequency control are critical. Applications include RF filters, resonators, and signal processing devices in communication technologies.

Lithium Tantalate (LiTaO₃) is highly regarded for its excellent transparency in the infrared region (up to 5 microns) and its robust electro-optic properties. These qualities make it indispensable in telecommunications, signal processing, and optical modulators. Its superior piezoelectric properties also make it a top choice for sensors and actuators in advanced electronics.

Applications and Benefits:

• Electro-Optics: Utilized in electro-optic modulators, switches, and other devices due to its high electro-optic coefficients.

• Nonlinear Optics: Suitable for frequency doubling and other nonlinear optical processes thanks to its high nonlinear coefficient.

• Piezoelectrics: Effective in applications requiring piezoelectric materials for sensors, actuators, and surface acoustic wave devices.

For more information or custom requirements, please contact us here with your requirements.