Optical grade Lithium Niobate

Optical Grade Lithium Niobate Wafers
Our abundance experience at growing and mass production for Optical grade Lithium Niobate. We are equipped with advanced facilities at Crystal growing, wafer lapping, polishing and checking, all finished products are passed at Testing of curie Temp and QC inspection.
CQT supply lithium niobate wafer, which include saw grade lithium niobate wafers and optical grade lithium niobate wafers, Our products have high quality and competitive prices. We focus on innovation, cost-effectiveness, and superior quality for our customers.

All the wafers are under strict quality control and inspected. And also under the strict surface cleaning and flatness control as well.
Product Parameters

Material Optical Grade LiNbO3 wafes (White or Black)
Curie Temp 1142¯2.0℃
Cutting Angle X/Y/Z etc
Diameter/size 2”/3”/4”
Tol(¯) <0.20 mm
Thickness 0.18 ~ 0.5mm or more
Primary Flat 16mm/22mm /32mm
TTV  <3³´µm
Bow -30<bow<30
Warp <40³´µm
Orientation Flat All available
Surface Type Single Side Polished /Double Sides Polished
Polished side Ra <0.5nm
S/D 20/10
Edge Criteria R=0.2mm or Bullnose
Optical doped Fe/Zn/MgO etc for optical grade LN< wafers
Wafer Surface Criteria Refractive index No=2.2878/Ne=2.2033 (at)632nm wavelength
Contamination, None
Particles ￠>0.3 ³´µ  m <= 30
Scratch , Chipping None
Defect No edge cracks, scratches, saw marks, stains
Packaging Qty/Wafer box 25pcs per box 

Application list:

Integrated waveguide photonics; Wave Guide Lasers; Quasi-phase Matching for SHG&OPO; EO waveguide Phase & Amplitude Modulators  
CQT is specialized in producing fused silica wafers, fused quartz wafers, fused glass wafers, glass substrates for biochemistry, inorganic scintillation crystal material, lithium niobate wafer, lithium tantanlate wafer, piezo single crystal blanks finished crystal and finished saw filters.