What is a Lithium Tantalate Wafer?
An optical crystal wafer (also called a LiTaO3 wafer or piezoelectric crystal wafer) is a thin, precisely polished substrate used in optical, electronic, and piezoelectric applications. It serves as a fundamental component for devices requiring stable and high-quality crystalline materials.
VY Optics provides high-precision Lithium Tantalate wafers with excellent surface finish and uniform thickness, suitable for demanding industrial and scientific uses.
Product Specifications
| Parameter | Value / Description |
|---|---|
| Material | Lithium Tantalate (LiTaO3) crystal |
| Diameter | 40 mm |
| Thickness | 1 mm |
| Surface Quality | Double surface polished |
| Flatness | Customizable |
| Parallelism | Customizable |
| Coating | None (optional upon request) |
| Transmission Range | Depends on application |
| Refractive Index (nD) | ~2.18 at 633 nm |
| Customization | Available on request |
Picture of High-Quality Lithium Tantalate Wafer
Key Features of Lithium Tantalate Wafer
- High optical clarity and crystalline uniformity
- Excellent double side polish for superior surface quality
- Stable piezoelectric properties ideal for sensors and actuators
- Good thermal and chemical resistance
- Customizable dimensions and thickness
- Suitable for high-frequency electronic and optical devices
Applications
- Piezoelectric devices and sensors
- Optical modulators and laser systems
- Acoustic wave devices
- Telecommunications and precision electronics
- Scientific research requiring stable crystal substrates
Detailed Video of Lithium Tantalate Wafer
Advantages of Choosing VY Optics’ Lithium Tantalate Wafer
- Strict quality control ensuring high flatness and parallelism
- Precision polishing for minimal surface defects
- Competitive pricing with customizable options
- Reliable supply chain and fast delivery
- Expert technical support and customization assistance
FAQ / People Also Ask
Q1: What is the typical use of a Lithium Tantalate wafer?
Lithium Tantalate wafers are widely used in piezoelectric sensors, optical modulators, and acoustic wave devices due to their excellent crystalline and piezoelectric properties.
Q2: Can the wafer dimensions be customized?
Yes, VY Optics offers customization of diameter, thickness, and polishing quality according to your specific requirements.
Q3: Is coating available on the wafer?
Standard wafers are uncoated, but anti-reflective or other coatings can be applied upon request.
Q4: What is the typical delivery time?
Delivery time varies based on order quantity and customization but typically ranges from 2 to 4 weeks.
How to Choose the Right Optical Crystal Wafer
Selecting the right optical crystal wafer depends on application requirements including material properties, surface finish, and environmental conditions. Proper choice ensures device performance and longevity.
Factors to Consider:
- Wavelength Range: Match wafer material optical properties to operating wavelength
- Material Type: Choose Lithium Tantalate for piezoelectric and optical uses
- Surface Quality & Flatness: Ensure polishing meets device tolerances
- Coating Selection: Apply coatings if required for reflection control
- Environmental & Mechanical Conditions: Confirm wafer can withstand operational stresses
- Customization: Opt for tailored dimensions and finishes to fit your system








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