OST Photonics offers a variety of sizes and thicknesses of optical grade Lithium Tantalate (LiTaO3) wafers, with wafer diameters ranging from 2 inches to 6 inches, the thickness can be customized according to your requirements (generally above 0.18 mm). The orientations can be X/Y/Z etc. Zn/MgO doped lithium tantalate wafers(LiTaO3) are also available upon request.
Quasi-phase matching for SHG and OPO
Pyroelectric IR detectors
Optical modulators
Gyro sensors
Laser wavelength converter
Stable mechanical properties
Stable chemical properties
High optical damage threshold
Good piezoelectric and pyroelectric properties
Diameter: 2”, 3”, 4”, 6”
Orientations: X, Y, Z etc.
Thickness: 0.25mm, 0.5 mm, 1.0 mm etc.
Available items: crystal wafers, Fe/Zn/MgO doped LiTaO3 wafers, boules, blanks and customized optics
Material | LiTaO3 single crystal | |
Curie Temp | 603±2.0℃ | |
Cutting Angle | X/Y/Z etc | |
Orientation Tolerance (±) | ≤15′ | |
Diameter | 2”/3”/4”/6” | |
Diameter Tolerance (±) | ≤0.20 mm | |
Thickness | 0.18 ~ 0.5mm or more | |
Thickness Tolerance (±) | ≤0.025 mm | |
Primary Flat Length | 16mm/22mm/32mm | |
TTV | <1~5 µm | |
BOW | ± (25~40 um) | |
Warp | <= 35 µm | |
Orientation Flat | According to our standards or your requests | |
Surface Type | Single side polished(SSP)/double sides polished(DSP) | |
Polished Side Ra | <0.5nm | |
Polished Side Surface Quality | S/D 20/10 | |
Edge Criteria | Compliant with SEMI M1.2 Standard/refer to IEC62276 | |
Quality | Free of crack (bubbles and inclusions) | |
Optical Doped | Zn/MgO etc | |
Wafer Surface Criteria | Contamination | None |
Particles φ>0.3 um | <= 30 | |
Scratch , Chipping | None | |
Defect | No edge cracks, scratches, saw marks, stains | |
Packaging | Qty/Wafer box | 25pcs per box |
