Optical Grade LiNbO3 Wafer

Optical Grade LiNbO3 Wafer

Description

Optical Grade LiNbO3 Wafer

Optical grade lithium niobate wafers are specially prepared wafers made from high-quality lithium niobate crystals with extremely low levels of impurities and defects. These wafers are used in advanced optical applications where high precision and reliability are critical, such as in telecommunications, laser technology, and nonlinear optics.

The process of producing optical grade lithium niobate wafers involves a series of rigorous quality control measures to ensure that the resulting wafers are of the highest quality. This process includes careful selection of starting materials, meticulous crystal growth, precise slicing and polishing, and rigorous testing of the optical and electrical properties of the resulting wafers.

Optical grade lithium niobate wafers have several important properties that make them ideal for optical applications. These include high refractive index, low optical loss, and a high electro-optic coefficient. These properties allow for efficient and precise manipulation of light in optical devices such as modulators, filters, and switches.

Optical grade LN wafers are used for production of optical parametric oscillators, infrared detectors, integrated optic circuits, Wallaston prisms, holographic optical elements, SHG blue laser. They usually have Y-cut and Z-cut orientations, double or single side polished (DSP or SSP).

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  <3µm
Bow -30<bow<30
Warp <40µm
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 @632nm wavelength
Contamination, None
Particles ¢>0.3 µ  m <= 30
Scratch , Chipping None
Defect No edge cracks, scratches, saw marks, stains
Packaging Qty/Wafer box 25pcs per box 

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