2-6 Inch Optical Grade LiNbO3(LN) Wafer
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2-6 Inch Optical Grade LiNbO3(LN) Wafer

Optical Grade LiNbO3 Crystal is widely used as frequency doublers for wavelength > 1μm and optical parametric oscillators (OPOs) pumped at 1064 nm as well as quasi‐phase‐matched (QPM) devices. Due to its large Electro‐Optic (E‐O) and Acousto‐Optic (A‐O) coefficients, LiNbO3 crystal is the most commonly used material for Pockel Cells, Q‐switches and phase modulators, waveguide substrate, and surface acoustic wave (SAW) wafers, etc.
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Product Description

Specifications:

Orientation

X 、Y、Z、Y36、Y42、Y46.3、Y10、Y15、Y15、Y64、Y128、Y163, etc

Diameter

50.8mm/76.2 mm/100mm ±0.3 mm

Orientation Flat(OF)

22mm ±2 mm/32mm ±2 mm

Perpendicular to X ±0.2°

Second Refer.Flat(RF)

Cw225°±0.5°from OF    Cw315°±0.5°from OF

Length50-150mm

Thickness

250um/500um/1000um ±5um or more

Surface Quality

Double sides polished; S/D: 40/20

Doppingmagnesium, iron, praseodymium, erbium, thulium, MgO, etc

TTV

≤10um

WARP

≤25um

Curie Temperature

1142℃± 0.7℃

Refractive Index

n。=2.2878±0.0002  n。=2.2033±0.0002 prism coupler method@632.8nm


Crystal Physical Parameters:

Crystal Structure

Trigonal, point group 3m

Lattice Parameters

a=5.148Å, c=13.863Å

Density

4.64 g/cm3

Melting Point

1250 °C

Curie Point

1142±2℃

Mohs Hardness

5

Dielectric Constante11/e0 = 85; e33/e0 = 29.5
Thermal Conductivity

38 W/m/°C at 25°C

Thermal Expansion Coefficient

a1=a2 =2x10-6/°C, a3=2.2x10-6/ °C at 25°C

Elastic Stiffness Constant

CE11 = 2.04 x 1011 N/m2, CE33 = 2.46 x 1011 N/m2


Applications:

1 ) EO Waveguide Phase Modulators                                                                            

2 ) EO Waveguide Amplitude Modulators

3 ) Integrated  Waveguide Photonics                                                                           

4 ) Wave Guide Lasers

5 ) Polarizer for Optic Isolator                                                                                        

6 ) Quasi-phase Matching for SHG and OPO


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