Fe Doped LiTaO3 Wafer

Fe Doped LiTaO3 Wafer


Fe Doped LiTaO3 Wafer

Fe-doped Lithium Tantalate (LiTaO3) wafers are a special type of lithium tantalate wafer that is doped with iron (Fe) ions. The doping process involves adding small amounts of iron to the melt during the crystal growth process, resulting in a crystal with a controlled concentration of Fe ions.

Fe-doped LiTaO3 wafers are used in a variety of applications, including electro-optic and magneto-optic devices. The presence of Fe ions in the crystal lattice of LiTaO3 results in a magneto-optic effect, which allows for the manipulation of the polarization of light using an external magnetic field.

The magneto-optic effect of Fe-doped LiTaO3 wafers makes them ideal for use in magnetic field sensors, modulators, and isolators. They are also used in telecommunications, where they are used to convert optical signals into electrical signals and vice versa.

Fe-doped LiTaO3 wafers have other unique properties that make them useful in a variety of applications. For example, they have a high Curie temperature, which means that they can operate at high temperatures without losing their ferroelectric properties. They also have a high electro-optic coefficient, which makes them useful in electro-optic devices.

Material LiTaO3 wafers(White or Black &Fe doped)
Curie Temp 603±2℃
Cutting Angle X/Y/Z/X112Y/Y36/Y42/Y48/etc
Diameter/size 3”/4”/6" LT wafer
Tol(±) <0.20>
Thickness 0.18 ~ 0.5mm or more
Primary Flat 22mm /32mm /42.5mm /57.5mm
LTV (5mmx5mm) <1µm
TTV <3µm
Bow -30
Warp <40µm
PLTV( <0.5um) ≥95%(5mm*5mm)
Orientation Flat All available
Surface Type Single Side Polished /Double Sides Polished
Polished side Ra <0.5nm
Back Side Criteria General is 0.2-0.5µm or as customized
Edge Criteria R=0.2mm or Bullnose
Fe doped Fe doped for saw grade LN <>
Wafer Surface Criteria Transmissivity general:5.9x10-11<s<2.0*10-10 at 25℃
Contamination, None
Particles ¢>0.3 µ m <=>
Scratch , Chipping None
Defect No edge cracks, scratches, saw marks, stains
Packaging Qty/Wafer box 25pcs per box

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