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home >> products >> Semiconductor material >> Quartz wafers >> Optical Grade LT Wafer

Optical Grade LiTaO3(LT) Wafer

 

Orientation

Z-cut±0.20

Diameter

76.2±0.3mm

Orientation Flat (OF)

22±2mm
Perpendicular to X±20

Second Ref. Flat (RF)

10±3mm
Cw2700±0.50 from OF
Cw3150±0.50 from OF

Thickness

500±5μm
1000±5μm

Surface Quality

Double Sides Polished
S/D 20/10

Wafer Backside

GC#1000 lapped & etched
0.2μm≤Ra≤0.7μm

TTV

≤10μm

WARP

≤50μm

Curie Temperature

no=2.2827±0.0003 ne=2.1928±0.0003
Prism coupler method @632.8nm, Doped 5mol%

Edge Beveling

Edge Rounding

 

* Quasi-phase Matching for SHG and OPO

 

* Pyroelectric Infrared Detectors

 

* EO Waveguide Amplitude Modulators