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Optical Grade Lithium Tantalate Wafers

Due to its unique electro-optic, piezoelectric, and pyroelectric properties, lithium tantalate (LiTaO3) is used in various fields including telecommunications, medical imaging, and sensors. Optical grade lithium tantalate wafers are specialized forms of lithium tantalate, designed specifically for electro-optical applications. These wafers are known for their high purity and superior surface quality, which are critical for minimizing optical losses and enhancing device performance. They are characterized by their exceptional transmittance in the visible and infrared regions, and exhibit high optical homogeneity and low levels of birefringence, which are essential for many high-precision electro-optical applications such as modulators, Q-switches, and waveguides.

Top-tier Optical Grade Lithium Tantalate Wafers from Alfa Chemistry

Alfa Chemistry offers a comprehensive range of optical grade lithium tantalate wafers. We offer wafers in various sizes and orientations, tailored to meet the diverse needs of our clients. We ensure stringent quality control processes, including rigorous polishing and cleaning procedures, as well as advanced measurement techniques to verify the optical and physical properties of the wafers. These processes ensure that the wafers meet the demanding specifications required for high-performance devices.

Product Details

Optical Grade LiTaO3 wafers
CatalogACSEM-TFW005
Curie Temp603±2 ℃
Cutting AngleX, Y, Z, etc.
Diameter/Size2" /3" /4"
Tolerance (±)<0.20 mm
Thickness0.1-0.5 mm or more
Primary Flat16 mm /22 mm /32 mm
Orientation FlatAll available
Surface TypeSingle side polished /Double sides polished
Polished Side Ra<0.5 nm
Back Side CriteriaGenerally 0.2-0.5µm or as customized
Surface Quality S/D20/10
Edge CriteriaR=0.2mm or Bullnose
DopedZn, MgO, etc.
Wafer Surface CriteriaContaminationNone
Particles Φ>0.3 μm≤30
Scratch, ChippingNone
DefectNo edge cracks, scratches, saw marks, stains

Recommended Uses

Our optical grade lithium tantalate wafers are utilized in a diverse array of advanced applications:

  • Low pass filters in digital cameras
  • Optical communications, optical switches, and modulators
  • Gyro sensors
  • Laser wavelength converters and SHG techniques for generating blue and green lasers
Lithium tantalate wafers, particularly optical grade, are integral components in the advancement of various technologies. With our commitment to excellence and customization, we ensure that our products not only meet but exceed your technological needs. Whether you are developing cutting-edge devices or enhancing your existing systems, our lithium tantalate wafers will provide the reliable performance and precision you require.

Our products and services are for research use only and cannot be used for any clinical purpose.

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