Optical grade LiNbO3 wafers

The Optical grade LiNbO3 wafers/crystals/substrates are offered, advanced facilities are equipped for crystals growing, wafer cutting, lapping, polishing and checking. The LiNbO3 wafers are used in: 

  • Polarizers for Optic Isolators;
  • Integrated Waveguide Photonics;
  • EO Waveguide Phase Modulators
  • EO Waveguide Amplitude Modulators
  • Quasi-phase Matching for SHG and OPO

Optical grade LiNbO3 wafers of X-cut and Z-cut

Orientation X-cut±0.2° Z-cut±0.2°
Diameter 76.2mm±0.3mm

100.0mm±0.3mm

76.2mm±0.3mm

100.0mm±0.3mm

Orientation Flat(OF) 22mm±2mm

32mm±2mm

Perpendicular to X±0.2°

22mm±2mm

32mm±2mm

Perpendicular to X±0.2°

Second Refer Flat(RF) Cw225°±0.5°from OF

Cw315°±0.5°from OF

Cw225°±0.5°from OF

Cw270°±0.5°from OF

Thickness 500μm±5μm

1000μm±5μm

500μm±5μm

1000μm±5μm

Surface quality Double sides polished

S/D 20/10

Double sides polished

S/D 20/10

TTV ≤10μm
WARP ≤50μm
Curie Temperature 1142℃±0.7℃
Refractive Index n0=2.2878±0.0002 ne=2.2033±0.0002

prism coupler method @632.8nm

Edge Beveling Edge rounding

Note: The other size or type of LiNbO substrates or wafers are available upon customer’s request.

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